Home / 112,541.12-155,233.50-72,190.94

Finding the Fourth Proportional to 112,541.12, 155,233.50 and 72,190.94

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Solution

The fourth proportional to 112,541.12, 155,233.50 and 72,190.94 is: 99,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,541.12 : 155,233.50 = 72,190.94 : x
  2. Step 2: Convert to fraction form
    112,541.12/155,233.50 = 72,190.94/x
  3. Step 3: Cross multiply
    112,541.12x = 155,233.50 × 72,190.94
  4. Step 4: Simplify right side
    112,541.12x = 11,206,452,284.49
  5. Step 5: Solve for x
    x = 11,206,452,284.49/112,541.12
  6. Step 6: Final answer
    x = 99,576.51

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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.