Home / 167,627.87-231,001.63-138,989.10

Finding the Fourth Proportional to 167,627.87, 231,001.63 and 138,989.10

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Solution

The fourth proportional to 167,627.87, 231,001.63 and 138,989.10 is: 191,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,627.87 : 231,001.63 = 138,989.10 : x
  2. Step 2: Convert to fraction form
    167,627.87/231,001.63 = 138,989.10/x
  3. Step 3: Cross multiply
    167,627.87x = 231,001.63 × 138,989.10
  4. Step 4: Simplify right side
    167,627.87x = 32,106,708,304.76
  5. Step 5: Solve for x
    x = 32,106,708,304.76/167,627.87
  6. Step 6: Final answer
    x = 191,535.63

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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.