Home / 130,359.35-179,895.90-70,743.35

Finding the Fourth Proportional to 130,359.35, 179,895.90 and 70,743.35

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Solution

The fourth proportional to 130,359.35, 179,895.90 and 70,743.35 is: 97,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,359.35 : 179,895.90 = 70,743.35 : x
  2. Step 2: Convert to fraction form
    130,359.35/179,895.90 = 70,743.35/x
  3. Step 3: Cross multiply
    130,359.35x = 179,895.90 × 70,743.35
  4. Step 4: Simplify right side
    130,359.35x = 12,726,437,364.07
  5. Step 5: Solve for x
    x = 12,726,437,364.07/130,359.35
  6. Step 6: Final answer
    x = 97,625.82

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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.