Home / 232,688.40-321,140.28-142,025.52

Finding the Fourth Proportional to 232,688.40, 321,140.28 and 142,025.52

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Solution

The fourth proportional to 232,688.40, 321,140.28 and 142,025.52 is: 196,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,688.40 : 321,140.28 = 142,025.52 : x
  2. Step 2: Convert to fraction form
    232,688.40/321,140.28 = 142,025.52/x
  3. Step 3: Cross multiply
    232,688.40x = 321,140.28 × 142,025.52
  4. Step 4: Simplify right side
    232,688.40x = 45,610,115,259.95
  5. Step 5: Solve for x
    x = 45,610,115,259.95/232,688.40
  6. Step 6: Final answer
    x = 196,013.70

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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.