Home / 177,703.10-266,457.45-72,403.10

Finding the Fourth Proportional to 177,703.10, 266,457.45 and 72,403.10

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Solution

The fourth proportional to 177,703.10, 266,457.45 and 72,403.10 is: 108,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,703.10 : 266,457.45 = 72,403.10 : x
  2. Step 2: Convert to fraction form
    177,703.10/266,457.45 = 72,403.10/x
  3. Step 3: Cross multiply
    177,703.10x = 266,457.45 × 72,403.10
  4. Step 4: Simplify right side
    177,703.10x = 19,292,345,398.10
  5. Step 5: Solve for x
    x = 19,292,345,398.10/177,703.10
  6. Step 6: Final answer
    x = 108,565.05

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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.