Home / 147,931.23-221,952.78-88,808.13

Finding the Fourth Proportional to 147,931.23, 221,952.78 and 88,808.13

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Solution

The fourth proportional to 147,931.23, 221,952.78 and 88,808.13 is: 133,245.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,931.23 : 221,952.78 = 88,808.13 : x
  2. Step 2: Convert to fraction form
    147,931.23/221,952.78 = 88,808.13/x
  3. Step 3: Cross multiply
    147,931.23x = 221,952.78 × 88,808.13
  4. Step 4: Simplify right side
    147,931.23x = 19,711,211,340.10
  5. Step 5: Solve for x
    x = 19,711,211,340.10/147,931.23
  6. Step 6: Final answer
    x = 133,245.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.