Home / 155,149.53-214,115.48-116,841.49

Finding the Fourth Proportional to 155,149.53, 214,115.48 and 116,841.49

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Solution

The fourth proportional to 155,149.53, 214,115.48 and 116,841.49 is: 161,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,149.53 : 214,115.48 = 116,841.49 : x
  2. Step 2: Convert to fraction form
    155,149.53/214,115.48 = 116,841.49/x
  3. Step 3: Cross multiply
    155,149.53x = 214,115.48 × 116,841.49
  4. Step 4: Simplify right side
    155,149.53x = 25,017,571,715.27
  5. Step 5: Solve for x
    x = 25,017,571,715.27/155,149.53
  6. Step 6: Final answer
    x = 161,248.13

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1.5x scale

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.