Home / 147,969.28-221,955.48-42,789.16

Finding the Fourth Proportional to 147,969.28, 221,955.48 and 42,789.16

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Solution

The fourth proportional to 147,969.28, 221,955.48 and 42,789.16 is: 64,184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,969.28 : 221,955.48 = 42,789.16 : x
  2. Step 2: Convert to fraction form
    147,969.28/221,955.48 = 42,789.16/x
  3. Step 3: Cross multiply
    147,969.28x = 221,955.48 × 42,789.16
  4. Step 4: Simplify right side
    147,969.28x = 9,497,288,546.60
  5. Step 5: Solve for x
    x = 9,497,288,546.60/147,969.28
  6. Step 6: Final answer
    x = 64,184.19

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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.