Home / 99,424.74-137,204.64-54,103.17

Finding the Fourth Proportional to 99,424.74, 137,204.64 and 54,103.17

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Solution

The fourth proportional to 99,424.74, 137,204.64 and 54,103.17 is: 74,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,424.74 : 137,204.64 = 54,103.17 : x
  2. Step 2: Convert to fraction form
    99,424.74/137,204.64 = 54,103.17/x
  3. Step 3: Cross multiply
    99,424.74x = 137,204.64 × 54,103.17
  4. Step 4: Simplify right side
    99,424.74x = 7,423,205,962.71
  5. Step 5: Solve for x
    x = 7,423,205,962.71/99,424.74
  6. Step 6: Final answer
    x = 74,661.56

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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.