Home / 154,728.76-232,068.22-42,382.70

Finding the Fourth Proportional to 154,728.76, 232,068.22 and 42,382.70

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Solution

The fourth proportional to 154,728.76, 232,068.22 and 42,382.70 is: 63,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,728.76 : 232,068.22 = 42,382.70 : x
  2. Step 2: Convert to fraction form
    154,728.76/232,068.22 = 42,382.70/x
  3. Step 3: Cross multiply
    154,728.76x = 232,068.22 × 42,382.70
  4. Step 4: Simplify right side
    154,728.76x = 9,835,677,747.79
  5. Step 5: Solve for x
    x = 9,835,677,747.79/154,728.76
  6. Step 6: Final answer
    x = 63,567.22

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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.