Home / 115,315.38-172,981.98-44,272.17

Finding the Fourth Proportional to 115,315.38, 172,981.98 and 44,272.17

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Solution

The fourth proportional to 115,315.38, 172,981.98 and 44,272.17 is: 66,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,315.38 : 172,981.98 = 44,272.17 : x
  2. Step 2: Convert to fraction form
    115,315.38/172,981.98 = 44,272.17/x
  3. Step 3: Cross multiply
    115,315.38x = 172,981.98 × 44,272.17
  4. Step 4: Simplify right side
    115,315.38x = 7,658,287,625.50
  5. Step 5: Solve for x
    x = 7,658,287,625.50/115,315.38
  6. Step 6: Final answer
    x = 66,411.68

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1.5x scale

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.