Home / 123,295.19-170,146.64-66,705.35

Finding the Fourth Proportional to 123,295.19, 170,146.64 and 66,705.35

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Solution

The fourth proportional to 123,295.19, 170,146.64 and 66,705.35 is: 92,052.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,295.19 : 170,146.64 = 66,705.35 : x
  2. Step 2: Convert to fraction form
    123,295.19/170,146.64 = 66,705.35/x
  3. Step 3: Cross multiply
    123,295.19x = 170,146.64 × 66,705.35
  4. Step 4: Simplify right side
    123,295.19x = 11,349,690,488.55
  5. Step 5: Solve for x
    x = 11,349,690,488.55/123,295.19
  6. Step 6: Final answer
    x = 92,052.99

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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.