Home / 177,946.80-266,920.20-155,785.20

Finding the Fourth Proportional to 177,946.80, 266,920.20 and 155,785.20

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Solution

The fourth proportional to 177,946.80, 266,920.20 and 155,785.20 is: 233,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,946.80 : 266,920.20 = 155,785.20 : x
  2. Step 2: Convert to fraction form
    177,946.80/266,920.20 = 155,785.20/x
  3. Step 3: Cross multiply
    177,946.80x = 266,920.20 × 155,785.20
  4. Step 4: Simplify right side
    177,946.80x = 41,582,216,741.04
  5. Step 5: Solve for x
    x = 41,582,216,741.04/177,946.80
  6. Step 6: Final answer
    x = 233,677.80

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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.