Home / 158,227.59-218,349.75-90,243.03

Finding the Fourth Proportional to 158,227.59, 218,349.75 and 90,243.03

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Solution

The fourth proportional to 158,227.59, 218,349.75 and 90,243.03 is: 124,532.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,227.59 : 218,349.75 = 90,243.03 : x
  2. Step 2: Convert to fraction form
    158,227.59/218,349.75 = 90,243.03/x
  3. Step 3: Cross multiply
    158,227.59x = 218,349.75 × 90,243.03
  4. Step 4: Simplify right side
    158,227.59x = 19,704,543,039.74
  5. Step 5: Solve for x
    x = 19,704,543,039.74/158,227.59
  6. Step 6: Final answer
    x = 124,532.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.