Home / 137,977.64-206,966.47-43,215.24

Finding the Fourth Proportional to 137,977.64, 206,966.47 and 43,215.24

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Solution

The fourth proportional to 137,977.64, 206,966.47 and 43,215.24 is: 64,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,977.64 : 206,966.47 = 43,215.24 : x
  2. Step 2: Convert to fraction form
    137,977.64/206,966.47 = 43,215.24/x
  3. Step 3: Cross multiply
    137,977.64x = 206,966.47 × 43,215.24
  4. Step 4: Simplify right side
    137,977.64x = 8,944,106,300.57
  5. Step 5: Solve for x
    x = 8,944,106,300.57/137,977.64
  6. Step 6: Final answer
    x = 64,822.87

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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.