Home / 127,130.82-175,439.96-70,542.06

Finding the Fourth Proportional to 127,130.82, 175,439.96 and 70,542.06

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Solution

The fourth proportional to 127,130.82, 175,439.96 and 70,542.06 is: 97,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,130.82 : 175,439.96 = 70,542.06 : x
  2. Step 2: Convert to fraction form
    127,130.82/175,439.96 = 70,542.06/x
  3. Step 3: Cross multiply
    127,130.82x = 175,439.96 × 70,542.06
  4. Step 4: Simplify right side
    127,130.82x = 12,375,896,184.72
  5. Step 5: Solve for x
    x = 12,375,896,184.72/127,130.82
  6. Step 6: Final answer
    x = 97,347.73

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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.