Home / 147,388.55-203,338.46-90,701.51

Finding the Fourth Proportional to 147,388.55, 203,338.46 and 90,701.51

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Solution

The fourth proportional to 147,388.55, 203,338.46 and 90,701.51 is: 125,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,388.55 : 203,338.46 = 90,701.51 : x
  2. Step 2: Convert to fraction form
    147,388.55/203,338.46 = 90,701.51/x
  3. Step 3: Cross multiply
    147,388.55x = 203,338.46 × 90,701.51
  4. Step 4: Simplify right side
    147,388.55x = 18,443,105,363.07
  5. Step 5: Solve for x
    x = 18,443,105,363.07/147,388.55
  6. Step 6: Final answer
    x = 125,132.55

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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.