Home / 177,926.60-266,987.10-72,756.20

Finding the Fourth Proportional to 177,926.60, 266,987.10 and 72,756.20

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Solution

The fourth proportional to 177,926.60, 266,987.10 and 72,756.20 is: 109,174.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,926.60 : 266,987.10 = 72,756.20 : x
  2. Step 2: Convert to fraction form
    177,926.60/266,987.10 = 72,756.20/x
  3. Step 3: Cross multiply
    177,926.60x = 266,987.10 × 72,756.20
  4. Step 4: Simplify right side
    177,926.60x = 19,424,966,845.02
  5. Step 5: Solve for x
    x = 19,424,966,845.02/177,926.60
  6. Step 6: Final answer
    x = 109,174.05

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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.