Home / 147,851.20-221,776.80-124,231.60

Finding the Fourth Proportional to 147,851.20, 221,776.80 and 124,231.60

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Solution

The fourth proportional to 147,851.20, 221,776.80 and 124,231.60 is: 186,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,851.20 : 221,776.80 = 124,231.60 : x
  2. Step 2: Convert to fraction form
    147,851.20/221,776.80 = 124,231.60/x
  3. Step 3: Cross multiply
    147,851.20x = 221,776.80 × 124,231.60
  4. Step 4: Simplify right side
    147,851.20x = 27,551,686,706.88
  5. Step 5: Solve for x
    x = 27,551,686,706.88/147,851.20
  6. Step 6: Final answer
    x = 186,347.40

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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.