Home / 155,001.65-232,508.21-42,690.56

Finding the Fourth Proportional to 155,001.65, 232,508.21 and 42,690.56

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Solution

The fourth proportional to 155,001.65, 232,508.21 and 42,690.56 is: 64,037.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,001.65 : 232,508.21 = 42,690.56 : x
  2. Step 2: Convert to fraction form
    155,001.65/232,508.21 = 42,690.56/x
  3. Step 3: Cross multiply
    155,001.65x = 232,508.21 × 42,690.56
  4. Step 4: Simplify right side
    155,001.65x = 9,925,904,313.50
  5. Step 5: Solve for x
    x = 9,925,904,313.50/155,001.65
  6. Step 6: Final answer
    x = 64,037.41

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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.