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Finding the Fourth Proportional to 127,166.96, 175,482.24 and 79,417.46

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Solution

The fourth proportional to 127,166.96, 175,482.24 and 79,417.46 is: 109,591.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,166.96 : 175,482.24 = 79,417.46 : x
  2. Step 2: Convert to fraction form
    127,166.96/175,482.24 = 79,417.46/x
  3. Step 3: Cross multiply
    127,166.96x = 175,482.24 × 79,417.46
  4. Step 4: Simplify right side
    127,166.96x = 13,936,353,775.91
  5. Step 5: Solve for x
    x = 13,936,353,775.91/127,166.96
  6. Step 6: Final answer
    x = 109,591.00

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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.