Home / 147,811.26-221,718.70-42,631.14

Finding the Fourth Proportional to 147,811.26, 221,718.70 and 42,631.14

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Solution

The fourth proportional to 147,811.26, 221,718.70 and 42,631.14 is: 63,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,811.26 : 221,718.70 = 42,631.14 : x
  2. Step 2: Convert to fraction form
    147,811.26/221,718.70 = 42,631.14/x
  3. Step 3: Cross multiply
    147,811.26x = 221,718.70 × 42,631.14
  4. Step 4: Simplify right side
    147,811.26x = 9,452,120,940.32
  5. Step 5: Solve for x
    x = 9,452,120,940.32/147,811.26
  6. Step 6: Final answer
    x = 63,947.23

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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.