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Finding the Fourth Proportional to 176,337.68, 243,373.48 and 99,860.72

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Solution

The fourth proportional to 176,337.68, 243,373.48 and 99,860.72 is: 137,823.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,337.68 : 243,373.48 = 99,860.72 : x
  2. Step 2: Convert to fraction form
    176,337.68/243,373.48 = 99,860.72/x
  3. Step 3: Cross multiply
    176,337.68x = 243,373.48 × 99,860.72
  4. Step 4: Simplify right side
    176,337.68x = 24,303,449,475.19
  5. Step 5: Solve for x
    x = 24,303,449,475.19/176,337.68
  6. Step 6: Final answer
    x = 137,823.35

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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.