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Finding the Fourth Proportional to 160,756.30, 221,823.30 and 88,140.08

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Solution

The fourth proportional to 160,756.30, 221,823.30 and 88,140.08 is: 121,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,756.30 : 221,823.30 = 88,140.08 : x
  2. Step 2: Convert to fraction form
    160,756.30/221,823.30 = 88,140.08/x
  3. Step 3: Cross multiply
    160,756.30x = 221,823.30 × 88,140.08
  4. Step 4: Simplify right side
    160,756.30x = 19,551,524,292.95
  5. Step 5: Solve for x
    x = 19,551,524,292.95/160,756.30
  6. Step 6: Final answer
    x = 121,622.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.