Home / 160,432.60-221,395.52-88,815.64

Finding the Fourth Proportional to 160,432.60, 221,395.52 and 88,815.64

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Solution

The fourth proportional to 160,432.60, 221,395.52 and 88,815.64 is: 122,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,432.60 : 221,395.52 = 88,815.64 : x
  2. Step 2: Convert to fraction form
    160,432.60/221,395.52 = 88,815.64/x
  3. Step 3: Cross multiply
    160,432.60x = 221,395.52 × 88,815.64
  4. Step 4: Simplify right side
    160,432.60x = 19,663,384,801.93
  5. Step 5: Solve for x
    x = 19,663,384,801.93/160,432.60
  6. Step 6: Final answer
    x = 122,564.77

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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.