Home / 177,637.80-266,327.10-72,402.60

Finding the Fourth Proportional to 177,637.80, 266,327.10 and 72,402.60

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Solution

The fourth proportional to 177,637.80, 266,327.10 and 72,402.60 is: 108,551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,637.80 : 266,327.10 = 72,402.60 : x
  2. Step 2: Convert to fraction form
    177,637.80/266,327.10 = 72,402.60/x
  3. Step 3: Cross multiply
    177,637.80x = 266,327.10 × 72,402.60
  4. Step 4: Simplify right side
    177,637.80x = 19,282,774,490.46
  5. Step 5: Solve for x
    x = 19,282,774,490.46/177,637.80
  6. Step 6: Final answer
    x = 108,551.08

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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.