Home / 177,619.12-266,421.36-98,683

Finding the Fourth Proportional to 177,619.12, 266,421.36 and 98,683

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Solution

The fourth proportional to 177,619.12, 266,421.36 and 98,683 is: 148,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,619.12 : 266,421.36 = 98,683 : x
  2. Step 2: Convert to fraction form
    177,619.12/266,421.36 = 98,683/x
  3. Step 3: Cross multiply
    177,619.12x = 266,421.36 × 98,683
  4. Step 4: Simplify right side
    177,619.12x = 26,291,259,068.88
  5. Step 5: Solve for x
    x = 26,291,259,068.88/177,619.12
  6. Step 6: Final answer
    x = 148,020.43

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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.