Home / 102,135.32-140,925.78-59,685.64

Finding the Fourth Proportional to 102,135.32, 140,925.78 and 59,685.64

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Solution

The fourth proportional to 102,135.32, 140,925.78 and 59,685.64 is: 82,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,135.32 : 140,925.78 = 59,685.64 : x
  2. Step 2: Convert to fraction form
    102,135.32/140,925.78 = 59,685.64/x
  3. Step 3: Cross multiply
    102,135.32x = 140,925.78 × 59,685.64
  4. Step 4: Simplify right side
    102,135.32x = 8,411,245,371.80
  5. Step 5: Solve for x
    x = 8,411,245,371.80/102,135.32
  6. Step 6: Final answer
    x = 82,353.93

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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.