Home / 137,639.91-206,320.45-93,271.15

Finding the Fourth Proportional to 137,639.91, 206,320.45 and 93,271.15

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Solution

The fourth proportional to 137,639.91, 206,320.45 and 93,271.15 is: 139,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,639.91 : 206,320.45 = 93,271.15 : x
  2. Step 2: Convert to fraction form
    137,639.91/206,320.45 = 93,271.15/x
  3. Step 3: Cross multiply
    137,639.91x = 206,320.45 × 93,271.15
  4. Step 4: Simplify right side
    137,639.91x = 19,243,745,640.02
  5. Step 5: Solve for x
    x = 19,243,745,640.02/137,639.91
  6. Step 6: Final answer
    x = 139,812.25

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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.