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Finding the Fourth Proportional to 130,398.60, 179,692.02 and 92,566.92

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Solution

The fourth proportional to 130,398.60, 179,692.02 and 92,566.92 is: 127,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,398.60 : 179,692.02 = 92,566.92 : x
  2. Step 2: Convert to fraction form
    130,398.60/179,692.02 = 92,566.92/x
  3. Step 3: Cross multiply
    130,398.60x = 179,692.02 × 92,566.92
  4. Step 4: Simplify right side
    130,398.60x = 16,633,536,839.98
  5. Step 5: Solve for x
    x = 16,633,536,839.98/130,398.60
  6. Step 6: Final answer
    x = 127,559.17

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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.