Home / 160,259.20-221,152.18-88,639

Finding the Fourth Proportional to 160,259.20, 221,152.18 and 88,639

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Solution

The fourth proportional to 160,259.20, 221,152.18 and 88,639 is: 122,318.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,259.20 : 221,152.18 = 88,639 : x
  2. Step 2: Convert to fraction form
    160,259.20/221,152.18 = 88,639/x
  3. Step 3: Cross multiply
    160,259.20x = 221,152.18 × 88,639
  4. Step 4: Simplify right side
    160,259.20x = 19,602,708,083.02
  5. Step 5: Solve for x
    x = 19,602,708,083.02/160,259.20
  6. Step 6: Final answer
    x = 122,318.77

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1.5x scale

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.