Home / 103,108.62-142,283.16-60,658.96

Finding the Fourth Proportional to 103,108.62, 142,283.16 and 60,658.96

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Solution

The fourth proportional to 103,108.62, 142,283.16 and 60,658.96 is: 83,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,108.62 : 142,283.16 = 60,658.96 : x
  2. Step 2: Convert to fraction form
    103,108.62/142,283.16 = 60,658.96/x
  3. Step 3: Cross multiply
    103,108.62x = 142,283.16 × 60,658.96
  4. Step 4: Simplify right side
    103,108.62x = 8,630,748,511.11
  5. Step 5: Solve for x
    x = 8,630,748,511.11/103,108.62
  6. Step 6: Final answer
    x = 83,705.40

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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.