Home / 99,355.84-137,110.38-56,343.46

Finding the Fourth Proportional to 99,355.84, 137,110.38 and 56,343.46

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Solution

The fourth proportional to 99,355.84, 137,110.38 and 56,343.46 is: 77,753.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,355.84 : 137,110.38 = 56,343.46 : x
  2. Step 2: Convert to fraction form
    99,355.84/137,110.38 = 56,343.46/x
  3. Step 3: Cross multiply
    99,355.84x = 137,110.38 × 56,343.46
  4. Step 4: Simplify right side
    99,355.84x = 7,725,273,211.11
  5. Step 5: Solve for x
    x = 7,725,273,211.11/99,355.84
  6. Step 6: Final answer
    x = 77,753.59

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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.