Home / 102,360.52-141,255.40-57,038.32

Finding the Fourth Proportional to 102,360.52, 141,255.40 and 57,038.32

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Solution

The fourth proportional to 102,360.52, 141,255.40 and 57,038.32 is: 78,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,360.52 : 141,255.40 = 57,038.32 : x
  2. Step 2: Convert to fraction form
    102,360.52/141,255.40 = 57,038.32/x
  3. Step 3: Cross multiply
    102,360.52x = 141,255.40 × 57,038.32
  4. Step 4: Simplify right side
    102,360.52x = 8,056,970,706.93
  5. Step 5: Solve for x
    x = 8,056,970,706.93/102,360.52
  6. Step 6: Final answer
    x = 78,711.70

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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.