Home / 102,630.50-141,727.90-97,039.36

Finding the Fourth Proportional to 102,630.50, 141,727.90 and 97,039.36

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Solution

The fourth proportional to 102,630.50, 141,727.90 and 97,039.36 is: 134,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,630.50 : 141,727.90 = 97,039.36 : x
  2. Step 2: Convert to fraction form
    102,630.50/141,727.90 = 97,039.36/x
  3. Step 3: Cross multiply
    102,630.50x = 141,727.90 × 97,039.36
  4. Step 4: Simplify right side
    102,630.50x = 13,753,184,710.14
  5. Step 5: Solve for x
    x = 13,753,184,710.14/102,630.50
  6. Step 6: Final answer
    x = 134,006.80

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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.