Home / 137,440.32-206,248.08-136,315.36

Finding the Fourth Proportional to 137,440.32, 206,248.08 and 136,315.36

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Solution

The fourth proportional to 137,440.32, 206,248.08 and 136,315.36 is: 204,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,440.32 : 206,248.08 = 136,315.36 : x
  2. Step 2: Convert to fraction form
    137,440.32/206,248.08 = 136,315.36/x
  3. Step 3: Cross multiply
    137,440.32x = 206,248.08 × 136,315.36
  4. Step 4: Simplify right side
    137,440.32x = 28,114,781,274.51
  5. Step 5: Solve for x
    x = 28,114,781,274.51/137,440.32
  6. Step 6: Final answer
    x = 204,559.92

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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.