Home / 147,927.60-221,891.40-42,757.20

Finding the Fourth Proportional to 147,927.60, 221,891.40 and 42,757.20

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Solution

The fourth proportional to 147,927.60, 221,891.40 and 42,757.20 is: 64,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,927.60 : 221,891.40 = 42,757.20 : x
  2. Step 2: Convert to fraction form
    147,927.60/221,891.40 = 42,757.20/x
  3. Step 3: Cross multiply
    147,927.60x = 221,891.40 × 42,757.20
  4. Step 4: Simplify right side
    147,927.60x = 9,487,454,968.08
  5. Step 5: Solve for x
    x = 9,487,454,968.08/147,927.60
  6. Step 6: Final answer
    x = 64,135.80

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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.