Home / 215,635.95-323,337.15-97,168.59

Finding the Fourth Proportional to 215,635.95, 323,337.15 and 97,168.59

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Solution

The fourth proportional to 215,635.95, 323,337.15 and 97,168.59 is: 145,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,635.95 : 323,337.15 = 97,168.59 : x
  2. Step 2: Convert to fraction form
    215,635.95/323,337.15 = 97,168.59/x
  3. Step 3: Cross multiply
    215,635.95x = 323,337.15 × 97,168.59
  4. Step 4: Simplify right side
    215,635.95x = 31,418,214,960.12
  5. Step 5: Solve for x
    x = 31,418,214,960.12/215,635.95
  6. Step 6: Final answer
    x = 145,700.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.