Home / 252,204.96-348,045.20-139,031.76

Finding the Fourth Proportional to 252,204.96, 348,045.20 and 139,031.76

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Solution

The fourth proportional to 252,204.96, 348,045.20 and 139,031.76 is: 191,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,204.96 : 348,045.20 = 139,031.76 : x
  2. Step 2: Convert to fraction form
    252,204.96/348,045.20 = 139,031.76/x
  3. Step 3: Cross multiply
    252,204.96x = 348,045.20 × 139,031.76
  4. Step 4: Simplify right side
    252,204.96x = 48,389,336,715.55
  5. Step 5: Solve for x
    x = 48,389,336,715.55/252,204.96
  6. Step 6: Final answer
    x = 191,865.13

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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.