Home / 135,013.44-186,320.10-74,582.82

Finding the Fourth Proportional to 135,013.44, 186,320.10 and 74,582.82

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Solution

The fourth proportional to 135,013.44, 186,320.10 and 74,582.82 is: 102,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,013.44 : 186,320.10 = 74,582.82 : x
  2. Step 2: Convert to fraction form
    135,013.44/186,320.10 = 74,582.82/x
  3. Step 3: Cross multiply
    135,013.44x = 186,320.10 × 74,582.82
  4. Step 4: Simplify right side
    135,013.44x = 13,896,278,061.67
  5. Step 5: Solve for x
    x = 13,896,278,061.67/135,013.44
  6. Step 6: Final answer
    x = 102,925.15

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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.