Home / 130,569.33-180,240.80-88,185.27

Finding the Fourth Proportional to 130,569.33, 180,240.80 and 88,185.27

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Solution

The fourth proportional to 130,569.33, 180,240.80 and 88,185.27 is: 121,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,569.33 : 180,240.80 = 88,185.27 : x
  2. Step 2: Convert to fraction form
    130,569.33/180,240.80 = 88,185.27/x
  3. Step 3: Cross multiply
    130,569.33x = 180,240.80 × 88,185.27
  4. Step 4: Simplify right side
    130,569.33x = 15,894,583,613.02
  5. Step 5: Solve for x
    x = 15,894,583,613.02/130,569.33
  6. Step 6: Final answer
    x = 121,732.90

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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.