Home / 154,858.61-232,285.17-42,538.39

Finding the Fourth Proportional to 154,858.61, 232,285.17 and 42,538.39

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Solution

The fourth proportional to 154,858.61, 232,285.17 and 42,538.39 is: 63,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,858.61 : 232,285.17 = 42,538.39 : x
  2. Step 2: Convert to fraction form
    154,858.61/232,285.17 = 42,538.39/x
  3. Step 3: Cross multiply
    154,858.61x = 232,285.17 × 42,538.39
  4. Step 4: Simplify right side
    154,858.61x = 9,881,037,152.68
  5. Step 5: Solve for x
    x = 9,881,037,152.68/154,858.61
  6. Step 6: Final answer
    x = 63,806.83

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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.