Home / 97,478.18-134,520.10-52,766.18

Finding the Fourth Proportional to 97,478.18, 134,520.10 and 52,766.18

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Solution

The fourth proportional to 97,478.18, 134,520.10 and 52,766.18 is: 72,817.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,478.18 : 134,520.10 = 52,766.18 : x
  2. Step 2: Convert to fraction form
    97,478.18/134,520.10 = 52,766.18/x
  3. Step 3: Cross multiply
    97,478.18x = 134,520.10 × 52,766.18
  4. Step 4: Simplify right side
    97,478.18x = 7,098,111,810.22
  5. Step 5: Solve for x
    x = 7,098,111,810.22/97,478.18
  6. Step 6: Final answer
    x = 72,817.44

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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.