Home / 108,116.04-149,193.69-62,790.90

Finding the Fourth Proportional to 108,116.04, 149,193.69 and 62,790.90

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Solution

The fourth proportional to 108,116.04, 149,193.69 and 62,790.90 is: 86,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,116.04 : 149,193.69 = 62,790.90 : x
  2. Step 2: Convert to fraction form
    108,116.04/149,193.69 = 62,790.90/x
  3. Step 3: Cross multiply
    108,116.04x = 149,193.69 × 62,790.90
  4. Step 4: Simplify right side
    108,116.04x = 9,368,006,069.42
  5. Step 5: Solve for x
    x = 9,368,006,069.42/108,116.04
  6. Step 6: Final answer
    x = 86,647.70

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1.5x scale

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.