Home / 252,248.12-348,102.21-137,526.76

Finding the Fourth Proportional to 252,248.12, 348,102.21 and 137,526.76

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Solution

The fourth proportional to 252,248.12, 348,102.21 and 137,526.76 is: 189,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,248.12 : 348,102.21 = 137,526.76 : x
  2. Step 2: Convert to fraction form
    252,248.12/348,102.21 = 137,526.76/x
  3. Step 3: Cross multiply
    252,248.12x = 348,102.21 × 137,526.76
  4. Step 4: Simplify right side
    252,248.12x = 47,873,368,219.88
  5. Step 5: Solve for x
    x = 47,873,368,219.88/252,248.12
  6. Step 6: Final answer
    x = 189,786.82

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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.