Home / 147,896.40-221,844.60-42,718.80

Finding the Fourth Proportional to 147,896.40, 221,844.60 and 42,718.80

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Solution

The fourth proportional to 147,896.40, 221,844.60 and 42,718.80 is: 64,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,896.40 : 221,844.60 = 42,718.80 : x
  2. Step 2: Convert to fraction form
    147,896.40/221,844.60 = 42,718.80/x
  3. Step 3: Cross multiply
    147,896.40x = 221,844.60 × 42,718.80
  4. Step 4: Simplify right side
    147,896.40x = 9,476,935,098.48
  5. Step 5: Solve for x
    x = 9,476,935,098.48/147,896.40
  6. Step 6: Final answer
    x = 64,078.20

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1.5x scale

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.