Home / 102,641.52-154,000.53-62,742.36

Finding the Fourth Proportional to 102,641.52, 154,000.53 and 62,742.36

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Solution

The fourth proportional to 102,641.52, 154,000.53 and 62,742.36 is: 94,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,641.52 : 154,000.53 = 62,742.36 : x
  2. Step 2: Convert to fraction form
    102,641.52/154,000.53 = 62,742.36/x
  3. Step 3: Cross multiply
    102,641.52x = 154,000.53 × 62,742.36
  4. Step 4: Simplify right side
    102,641.52x = 9,662,356,693.45
  5. Step 5: Solve for x
    x = 9,662,356,693.45/102,641.52
  6. Step 6: Final answer
    x = 94,136.92

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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.