Home / 199,472.40-275,270.56-113,431.36

Finding the Fourth Proportional to 199,472.40, 275,270.56 and 113,431.36

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Solution

The fourth proportional to 199,472.40, 275,270.56 and 113,431.36 is: 156,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,472.40 : 275,270.56 = 113,431.36 : x
  2. Step 2: Convert to fraction form
    199,472.40/275,270.56 = 113,431.36/x
  3. Step 3: Cross multiply
    199,472.40x = 275,270.56 × 113,431.36
  4. Step 4: Simplify right side
    199,472.40x = 31,224,313,988.76
  5. Step 5: Solve for x
    x = 31,224,313,988.76/199,472.40
  6. Step 6: Final answer
    x = 156,534.51

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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.