Home / 155,490.76-214,680.54-119,617.48

Finding the Fourth Proportional to 155,490.76, 214,680.54 and 119,617.48

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Solution

The fourth proportional to 155,490.76, 214,680.54 and 119,617.48 is: 165,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,490.76 : 214,680.54 = 119,617.48 : x
  2. Step 2: Convert to fraction form
    155,490.76/214,680.54 = 119,617.48/x
  3. Step 3: Cross multiply
    155,490.76x = 214,680.54 × 119,617.48
  4. Step 4: Simplify right side
    155,490.76x = 25,679,545,199.84
  5. Step 5: Solve for x
    x = 25,679,545,199.84/155,490.76
  6. Step 6: Final answer
    x = 165,151.58

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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.