Home / 155,151.43-214,041.49-97,755.91

Finding the Fourth Proportional to 155,151.43, 214,041.49 and 97,755.91

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Solution

The fourth proportional to 155,151.43, 214,041.49 and 97,755.91 is: 134,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,151.43 : 214,041.49 = 97,755.91 : x
  2. Step 2: Convert to fraction form
    155,151.43/214,041.49 = 97,755.91/x
  3. Step 3: Cross multiply
    155,151.43x = 214,041.49 × 97,755.91
  4. Step 4: Simplify right side
    155,151.43x = 20,923,820,632.71
  5. Step 5: Solve for x
    x = 20,923,820,632.71/155,151.43
  6. Step 6: Final answer
    x = 134,860.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.