Home / 132,437.92-197,409.28-121,809.10

Finding the Fourth Proportional to 132,437.92, 197,409.28 and 121,809.10

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Solution

The fourth proportional to 132,437.92, 197,409.28 and 121,809.10 is: 181,566.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,437.92 : 197,409.28 = 121,809.10 : x
  2. Step 2: Convert to fraction form
    132,437.92/197,409.28 = 121,809.10/x
  3. Step 3: Cross multiply
    132,437.92x = 197,409.28 × 121,809.10
  4. Step 4: Simplify right side
    132,437.92x = 24,046,246,119.40
  5. Step 5: Solve for x
    x = 24,046,246,119.40/132,437.92
  6. Step 6: Final answer
    x = 181,566.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.