Home / 137,643.64-206,326.05-93,274.90

Finding the Fourth Proportional to 137,643.64, 206,326.05 and 93,274.90

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Solution

The fourth proportional to 137,643.64, 206,326.05 and 93,274.90 is: 139,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,643.64 : 206,326.05 = 93,274.90 : x
  2. Step 2: Convert to fraction form
    137,643.64/206,326.05 = 93,274.90/x
  3. Step 3: Cross multiply
    137,643.64x = 206,326.05 × 93,274.90
  4. Step 4: Simplify right side
    137,643.64x = 19,245,041,681.15
  5. Step 5: Solve for x
    x = 19,245,041,681.15/137,643.64
  6. Step 6: Final answer
    x = 139,817.88

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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.