Home / 247,931.28-342,155.34-140,500.17

Finding the Fourth Proportional to 247,931.28, 342,155.34 and 140,500.17

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Solution

The fourth proportional to 247,931.28, 342,155.34 and 140,500.17 is: 193,896.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,931.28 : 342,155.34 = 140,500.17 : x
  2. Step 2: Convert to fraction form
    247,931.28/342,155.34 = 140,500.17/x
  3. Step 3: Cross multiply
    247,931.28x = 342,155.34 × 140,500.17
  4. Step 4: Simplify right side
    247,931.28x = 48,072,883,436.41
  5. Step 5: Solve for x
    x = 48,072,883,436.41/247,931.28
  6. Step 6: Final answer
    x = 193,896.00

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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.