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Finding the Fourth Proportional to 130,775.39, 179,903.74 and 114,569.72

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Solution

The fourth proportional to 130,775.39, 179,903.74 and 114,569.72 is: 157,610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,775.39 : 179,903.74 = 114,569.72 : x
  2. Step 2: Convert to fraction form
    130,775.39/179,903.74 = 114,569.72/x
  3. Step 3: Cross multiply
    130,775.39x = 179,903.74 × 114,569.72
  4. Step 4: Simplify right side
    130,775.39x = 20,611,521,118.75
  5. Step 5: Solve for x
    x = 20,611,521,118.75/130,775.39
  6. Step 6: Final answer
    x = 157,610.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.