Home / 126,988.15-175,243.90-70,399.53

Finding the Fourth Proportional to 126,988.15, 175,243.90 and 70,399.53

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Solution

The fourth proportional to 126,988.15, 175,243.90 and 70,399.53 is: 97,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,988.15 : 175,243.90 = 70,399.53 : x
  2. Step 2: Convert to fraction form
    126,988.15/175,243.90 = 70,399.53/x
  3. Step 3: Cross multiply
    126,988.15x = 175,243.90 × 70,399.53
  4. Step 4: Simplify right side
    126,988.15x = 12,337,088,195.37
  5. Step 5: Solve for x
    x = 12,337,088,195.37/126,988.15
  6. Step 6: Final answer
    x = 97,151.49

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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.