Home / 104,726.01-144,521.21-56,979.55

Finding the Fourth Proportional to 104,726.01, 144,521.21 and 56,979.55

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Solution

The fourth proportional to 104,726.01, 144,521.21 and 56,979.55 is: 78,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,726.01 : 144,521.21 = 56,979.55 : x
  2. Step 2: Convert to fraction form
    104,726.01/144,521.21 = 56,979.55/x
  3. Step 3: Cross multiply
    104,726.01x = 144,521.21 × 56,979.55
  4. Step 4: Simplify right side
    104,726.01x = 8,234,753,834.36
  5. Step 5: Solve for x
    x = 8,234,753,834.36/104,726.01
  6. Step 6: Final answer
    x = 78,631.41

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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.