Home / 177,513.90-266,422.05-72,408.30

Finding the Fourth Proportional to 177,513.90, 266,422.05 and 72,408.30

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Solution

The fourth proportional to 177,513.90, 266,422.05 and 72,408.30 is: 108,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,513.90 : 266,422.05 = 72,408.30 : x
  2. Step 2: Convert to fraction form
    177,513.90/266,422.05 = 72,408.30/x
  3. Step 3: Cross multiply
    177,513.90x = 266,422.05 × 72,408.30
  4. Step 4: Simplify right side
    177,513.90x = 19,291,167,723.02
  5. Step 5: Solve for x
    x = 19,291,167,723.02/177,513.90
  6. Step 6: Final answer
    x = 108,674.12

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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.