Home / 137,427.16-206,160.32-42,665.52

Finding the Fourth Proportional to 137,427.16, 206,160.32 and 42,665.52

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Solution

The fourth proportional to 137,427.16, 206,160.32 and 42,665.52 is: 64,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,427.16 : 206,160.32 = 42,665.52 : x
  2. Step 2: Convert to fraction form
    137,427.16/206,160.32 = 42,665.52/x
  3. Step 3: Cross multiply
    137,427.16x = 206,160.32 × 42,665.52
  4. Step 4: Simplify right side
    137,427.16x = 8,795,937,256.17
  5. Step 5: Solve for x
    x = 8,795,937,256.17/137,427.16
  6. Step 6: Final answer
    x = 64,004.36

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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.