Home / 101,726.10-140,434.92-79,014.24

Finding the Fourth Proportional to 101,726.10, 140,434.92 and 79,014.24

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Solution

The fourth proportional to 101,726.10, 140,434.92 and 79,014.24 is: 109,080.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,726.10 : 140,434.92 = 79,014.24 : x
  2. Step 2: Convert to fraction form
    101,726.10/140,434.92 = 79,014.24/x
  3. Step 3: Cross multiply
    101,726.10x = 140,434.92 × 79,014.24
  4. Step 4: Simplify right side
    101,726.10x = 11,096,358,473.26
  5. Step 5: Solve for x
    x = 11,096,358,473.26/101,726.10
  6. Step 6: Final answer
    x = 109,080.74

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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.