Home / 268,011.18-402,025.65-134,818.86

Finding the Fourth Proportional to 268,011.18, 402,025.65 and 134,818.86

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Solution

The fourth proportional to 268,011.18, 402,025.65 and 134,818.86 is: 202,232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,011.18 : 402,025.65 = 134,818.86 : x
  2. Step 2: Convert to fraction form
    268,011.18/402,025.65 = 134,818.86/x
  3. Step 3: Cross multiply
    268,011.18x = 402,025.65 × 134,818.86
  4. Step 4: Simplify right side
    268,011.18x = 54,200,639,823.76
  5. Step 5: Solve for x
    x = 54,200,639,823.76/268,011.18
  6. Step 6: Final answer
    x = 202,232.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.