Home / 130,005.60-195,008.40-51,093.60

Finding the Fourth Proportional to 130,005.60, 195,008.40 and 51,093.60

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Solution

The fourth proportional to 130,005.60, 195,008.40 and 51,093.60 is: 76,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,005.60 : 195,008.40 = 51,093.60 : x
  2. Step 2: Convert to fraction form
    130,005.60/195,008.40 = 51,093.60/x
  3. Step 3: Cross multiply
    130,005.60x = 195,008.40 × 51,093.60
  4. Step 4: Simplify right side
    130,005.60x = 9,963,681,186.24
  5. Step 5: Solve for x
    x = 9,963,681,186.24/130,005.60
  6. Step 6: Final answer
    x = 76,640.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.