Home / 137,498.10-205,901.55-102,246.90

Finding the Fourth Proportional to 137,498.10, 205,901.55 and 102,246.90

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Solution

The fourth proportional to 137,498.10, 205,901.55 and 102,246.90 is: 153,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,498.10 : 205,901.55 = 102,246.90 : x
  2. Step 2: Convert to fraction form
    137,498.10/205,901.55 = 102,246.90/x
  3. Step 3: Cross multiply
    137,498.10x = 205,901.55 × 102,246.90
  4. Step 4: Simplify right side
    137,498.10x = 21,052,795,192.70
  5. Step 5: Solve for x
    x = 21,052,795,192.70/137,498.10
  6. Step 6: Final answer
    x = 153,113.35

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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.