Home / 137,121.05-205,707.32-62,246.45

Finding the Fourth Proportional to 137,121.05, 205,707.32 and 62,246.45

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Solution

The fourth proportional to 137,121.05, 205,707.32 and 62,246.45 is: 93,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,121.05 : 205,707.32 = 62,246.45 : x
  2. Step 2: Convert to fraction form
    137,121.05/205,707.32 = 62,246.45/x
  3. Step 3: Cross multiply
    137,121.05x = 205,707.32 × 62,246.45
  4. Step 4: Simplify right side
    137,121.05x = 12,804,549,069.25
  5. Step 5: Solve for x
    x = 12,804,549,069.25/137,121.05
  6. Step 6: Final answer
    x = 93,381.36

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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.