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Finding the Fourth Proportional to 119,275.66, 164,597.16 and 65,560.69

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Solution

The fourth proportional to 119,275.66, 164,597.16 and 65,560.69 is: 90,471.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,275.66 : 164,597.16 = 65,560.69 : x
  2. Step 2: Convert to fraction form
    119,275.66/164,597.16 = 65,560.69/x
  3. Step 3: Cross multiply
    119,275.66x = 164,597.16 × 65,560.69
  4. Step 4: Simplify right side
    119,275.66x = 10,791,103,381.64
  5. Step 5: Solve for x
    x = 10,791,103,381.64/119,275.66
  6. Step 6: Final answer
    x = 90,471.97

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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.