Home / 126,937.29-190,415.52-42,697.70

Finding the Fourth Proportional to 126,937.29, 190,415.52 and 42,697.70

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Solution

The fourth proportional to 126,937.29, 190,415.52 and 42,697.70 is: 64,049.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,937.29 : 190,415.52 = 42,697.70 : x
  2. Step 2: Convert to fraction form
    126,937.29/190,415.52 = 42,697.70/x
  3. Step 3: Cross multiply
    126,937.29x = 190,415.52 × 42,697.70
  4. Step 4: Simplify right side
    126,937.29x = 8,130,304,748.30
  5. Step 5: Solve for x
    x = 8,130,304,748.30/126,937.29
  6. Step 6: Final answer
    x = 64,049.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.