Home / 147,637.60-221,456.40-136,232.80

Finding the Fourth Proportional to 147,637.60, 221,456.40 and 136,232.80

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Solution

The fourth proportional to 147,637.60, 221,456.40 and 136,232.80 is: 204,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,637.60 : 221,456.40 = 136,232.80 : x
  2. Step 2: Convert to fraction form
    147,637.60/221,456.40 = 136,232.80/x
  3. Step 3: Cross multiply
    147,637.60x = 221,456.40 × 136,232.80
  4. Step 4: Simplify right side
    147,637.60x = 30,169,625,449.92
  5. Step 5: Solve for x
    x = 30,169,625,449.92/147,637.60
  6. Step 6: Final answer
    x = 204,349.20

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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.