Home / 197,387.32-272,420.46-112,484.92

Finding the Fourth Proportional to 197,387.32, 272,420.46 and 112,484.92

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Solution

The fourth proportional to 197,387.32, 272,420.46 and 112,484.92 is: 155,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,387.32 : 272,420.46 = 112,484.92 : x
  2. Step 2: Convert to fraction form
    197,387.32/272,420.46 = 112,484.92/x
  3. Step 3: Cross multiply
    197,387.32x = 272,420.46 × 112,484.92
  4. Step 4: Simplify right side
    197,387.32x = 30,643,193,649.46
  5. Step 5: Solve for x
    x = 30,643,193,649.46/197,387.32
  6. Step 6: Final answer
    x = 155,243.98

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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.