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Finding the Fourth Proportional to 110,425.71, 152,348.67 and 72,207.63

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Solution

The fourth proportional to 110,425.71, 152,348.67 and 72,207.63 is: 99,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,425.71 : 152,348.67 = 72,207.63 : x
  2. Step 2: Convert to fraction form
    110,425.71/152,348.67 = 72,207.63/x
  3. Step 3: Cross multiply
    110,425.71x = 152,348.67 × 72,207.63
  4. Step 4: Simplify right side
    110,425.71x = 11,000,736,394.35
  5. Step 5: Solve for x
    x = 11,000,736,394.35/110,425.71
  6. Step 6: Final answer
    x = 99,621.15

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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.