Home / 252,377.28-348,281.64-139,199.76

Finding the Fourth Proportional to 252,377.28, 348,281.64 and 139,199.76

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Solution

The fourth proportional to 252,377.28, 348,281.64 and 139,199.76 is: 192,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,377.28 : 348,281.64 = 139,199.76 : x
  2. Step 2: Convert to fraction form
    252,377.28/348,281.64 = 139,199.76/x
  3. Step 3: Cross multiply
    252,377.28x = 348,281.64 × 139,199.76
  4. Step 4: Simplify right side
    252,377.28x = 48,480,720,700.41
  5. Step 5: Solve for x
    x = 48,480,720,700.41/252,377.28
  6. Step 6: Final answer
    x = 192,096.22

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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.