Home / 197,586.12-272,671.02-112,708.20

Finding the Fourth Proportional to 197,586.12, 272,671.02 and 112,708.20

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Solution

The fourth proportional to 197,586.12, 272,671.02 and 112,708.20 is: 155,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,586.12 : 272,671.02 = 112,708.20 : x
  2. Step 2: Convert to fraction form
    197,586.12/272,671.02 = 112,708.20/x
  3. Step 3: Cross multiply
    197,586.12x = 272,671.02 × 112,708.20
  4. Step 4: Simplify right side
    197,586.12x = 30,732,259,856.36
  5. Step 5: Solve for x
    x = 30,732,259,856.36/197,586.12
  6. Step 6: Final answer
    x = 155,538.56

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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.