Home / 147,704.76-221,561.69-57,743.88

Finding the Fourth Proportional to 147,704.76, 221,561.69 and 57,743.88

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Solution

The fourth proportional to 147,704.76, 221,561.69 and 57,743.88 is: 86,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,704.76 : 221,561.69 = 57,743.88 : x
  2. Step 2: Convert to fraction form
    147,704.76/221,561.69 = 57,743.88/x
  3. Step 3: Cross multiply
    147,704.76x = 221,561.69 × 57,743.88
  4. Step 4: Simplify right side
    147,704.76x = 12,793,831,784.32
  5. Step 5: Solve for x
    x = 12,793,831,784.32/147,704.76
  6. Step 6: Final answer
    x = 86,617.60

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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.