Home / 155,019.28-232,511.64-42,707.92

Finding the Fourth Proportional to 155,019.28, 232,511.64 and 42,707.92

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Solution

The fourth proportional to 155,019.28, 232,511.64 and 42,707.92 is: 64,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,019.28 : 232,511.64 = 42,707.92 : x
  2. Step 2: Convert to fraction form
    155,019.28/232,511.64 = 42,707.92/x
  3. Step 3: Cross multiply
    155,019.28x = 232,511.64 × 42,707.92
  4. Step 4: Simplify right side
    155,019.28x = 9,930,088,520.19
  5. Step 5: Solve for x
    x = 9,930,088,520.19/155,019.28
  6. Step 6: Final answer
    x = 64,057.12

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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.