Home / 177,867.09-266,829.80-72,657.81

Finding the Fourth Proportional to 177,867.09, 266,829.80 and 72,657.81

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Solution

The fourth proportional to 177,867.09, 266,829.80 and 72,657.81 is: 108,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,867.09 : 266,829.80 = 72,657.81 : x
  2. Step 2: Convert to fraction form
    177,867.09/266,829.80 = 72,657.81/x
  3. Step 3: Cross multiply
    177,867.09x = 266,829.80 × 72,657.81
  4. Step 4: Simplify right side
    177,867.09x = 19,387,268,547.45
  5. Step 5: Solve for x
    x = 19,387,268,547.45/177,867.09
  6. Step 6: Final answer
    x = 108,998.63

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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.