Home / 252,931.68-349,052.76-139,761.72

Finding the Fourth Proportional to 252,931.68, 349,052.76 and 139,761.72

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Solution

The fourth proportional to 252,931.68, 349,052.76 and 139,761.72 is: 192,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,931.68 : 349,052.76 = 139,761.72 : x
  2. Step 2: Convert to fraction form
    252,931.68/349,052.76 = 139,761.72/x
  3. Step 3: Cross multiply
    252,931.68x = 349,052.76 × 139,761.72
  4. Step 4: Simplify right side
    252,931.68x = 48,784,214,108.35
  5. Step 5: Solve for x
    x = 48,784,214,108.35/252,931.68
  6. Step 6: Final answer
    x = 192,875.06

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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.