Home / 123,521.52-170,484.30-69,807.18

Finding the Fourth Proportional to 123,521.52, 170,484.30 and 69,807.18

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Solution

The fourth proportional to 123,521.52, 170,484.30 and 69,807.18 is: 96,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,521.52 : 170,484.30 = 69,807.18 : x
  2. Step 2: Convert to fraction form
    123,521.52/170,484.30 = 69,807.18/x
  3. Step 3: Cross multiply
    123,521.52x = 170,484.30 × 69,807.18
  4. Step 4: Simplify right side
    123,521.52x = 11,901,028,217.27
  5. Step 5: Solve for x
    x = 11,901,028,217.27/123,521.52
  6. Step 6: Final answer
    x = 96,347.81

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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.