Home / 101,741.92-140,397.00-56,418.23

Finding the Fourth Proportional to 101,741.92, 140,397.00 and 56,418.23

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Solution

The fourth proportional to 101,741.92, 140,397.00 and 56,418.23 is: 77,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,741.92 : 140,397.00 = 56,418.23 : x
  2. Step 2: Convert to fraction form
    101,741.92/140,397.00 = 56,418.23/x
  3. Step 3: Cross multiply
    101,741.92x = 140,397.00 × 56,418.23
  4. Step 4: Simplify right side
    101,741.92x = 7,920,950,376.73
  5. Step 5: Solve for x
    x = 7,920,950,376.73/101,741.92
  6. Step 6: Final answer
    x = 77,853.36

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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.