Home / 147,819.26-221,730.70-42,639.14

Finding the Fourth Proportional to 147,819.26, 221,730.70 and 42,639.14

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Solution

The fourth proportional to 147,819.26, 221,730.70 and 42,639.14 is: 63,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,819.26 : 221,730.70 = 42,639.14 : x
  2. Step 2: Convert to fraction form
    147,819.26/221,730.70 = 42,639.14/x
  3. Step 3: Cross multiply
    147,819.26x = 221,730.70 × 42,639.14
  4. Step 4: Simplify right side
    147,819.26x = 9,454,406,359.60
  5. Step 5: Solve for x
    x = 9,454,406,359.60/147,819.26
  6. Step 6: Final answer
    x = 63,959.23

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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.