Home / 112,697.57-155,526.35-61,712.44

Finding the Fourth Proportional to 112,697.57, 155,526.35 and 61,712.44

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Solution

The fourth proportional to 112,697.57, 155,526.35 and 61,712.44 is: 85,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,697.57 : 155,526.35 = 61,712.44 : x
  2. Step 2: Convert to fraction form
    112,697.57/155,526.35 = 61,712.44/x
  3. Step 3: Cross multiply
    112,697.57x = 155,526.35 × 61,712.44
  4. Step 4: Simplify right side
    112,697.57x = 9,597,910,542.79
  5. Step 5: Solve for x
    x = 9,597,910,542.79/112,697.57
  6. Step 6: Final answer
    x = 85,165.20

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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.