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Finding the Fourth Proportional to 129,946.88, 179,327.24 and 70,330.88

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Solution

The fourth proportional to 129,946.88, 179,327.24 and 70,330.88 is: 97,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,946.88 : 179,327.24 = 70,330.88 : x
  2. Step 2: Convert to fraction form
    129,946.88/179,327.24 = 70,330.88/x
  3. Step 3: Cross multiply
    129,946.88x = 179,327.24 × 70,330.88
  4. Step 4: Simplify right side
    129,946.88x = 12,612,242,597.17
  5. Step 5: Solve for x
    x = 12,612,242,597.17/129,946.88
  6. Step 6: Final answer
    x = 97,056.91

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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.