Home / 252,266.06-348,129.87-137,543.76

Finding the Fourth Proportional to 252,266.06, 348,129.87 and 137,543.76

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Solution

The fourth proportional to 252,266.06, 348,129.87 and 137,543.76 is: 189,811.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,266.06 : 348,129.87 = 137,543.76 : x
  2. Step 2: Convert to fraction form
    252,266.06/348,129.87 = 137,543.76/x
  3. Step 3: Cross multiply
    252,266.06x = 348,129.87 × 137,543.76
  4. Step 4: Simplify right side
    252,266.06x = 47,883,091,288.11
  5. Step 5: Solve for x
    x = 47,883,091,288.11/252,266.06
  6. Step 6: Final answer
    x = 189,811.87

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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.