Home / 142,088.11-195,810.28-101,731.77

Finding the Fourth Proportional to 142,088.11, 195,810.28 and 101,731.77

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Solution

The fourth proportional to 142,088.11, 195,810.28 and 101,731.77 is: 140,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,088.11 : 195,810.28 = 101,731.77 : x
  2. Step 2: Convert to fraction form
    142,088.11/195,810.28 = 101,731.77/x
  3. Step 3: Cross multiply
    142,088.11x = 195,810.28 × 101,731.77
  4. Step 4: Simplify right side
    142,088.11x = 19,920,126,114.27
  5. Step 5: Solve for x
    x = 19,920,126,114.27/142,088.11
  6. Step 6: Final answer
    x = 140,195.59

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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.