Home / 127,431.12-175,851.41-70,070.56

Finding the Fourth Proportional to 127,431.12, 175,851.41 and 70,070.56

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Solution

The fourth proportional to 127,431.12, 175,851.41 and 70,070.56 is: 96,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,431.12 : 175,851.41 = 70,070.56 : x
  2. Step 2: Convert to fraction form
    127,431.12/175,851.41 = 70,070.56/x
  3. Step 3: Cross multiply
    127,431.12x = 175,851.41 × 70,070.56
  4. Step 4: Simplify right side
    127,431.12x = 12,322,006,775.49
  5. Step 5: Solve for x
    x = 12,322,006,775.49/127,431.12
  6. Step 6: Final answer
    x = 96,695.43

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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.