Home / 102,425.13-153,685.22-43,274.61

Finding the Fourth Proportional to 102,425.13, 153,685.22 and 43,274.61

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Solution

The fourth proportional to 102,425.13, 153,685.22 and 43,274.61 is: 64,931.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,425.13 : 153,685.22 = 43,274.61 : x
  2. Step 2: Convert to fraction form
    102,425.13/153,685.22 = 43,274.61/x
  3. Step 3: Cross multiply
    102,425.13x = 153,685.22 × 43,274.61
  4. Step 4: Simplify right side
    102,425.13x = 6,650,667,741.89
  5. Step 5: Solve for x
    x = 6,650,667,741.89/102,425.13
  6. Step 6: Final answer
    x = 64,931.99

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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.