Home / 153,677.46-212,073.98-85,695.24

Finding the Fourth Proportional to 153,677.46, 212,073.98 and 85,695.24

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Solution

The fourth proportional to 153,677.46, 212,073.98 and 85,695.24 is: 118,258.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,677.46 : 212,073.98 = 85,695.24 : x
  2. Step 2: Convert to fraction form
    153,677.46/212,073.98 = 85,695.24/x
  3. Step 3: Cross multiply
    153,677.46x = 212,073.98 × 85,695.24
  4. Step 4: Simplify right side
    153,677.46x = 18,173,730,613.86
  5. Step 5: Solve for x
    x = 18,173,730,613.86/153,677.46
  6. Step 6: Final answer
    x = 118,258.92

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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.