Home / 160,819.32-221,898.66-97,160.64

Finding the Fourth Proportional to 160,819.32, 221,898.66 and 97,160.64

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Solution

The fourth proportional to 160,819.32, 221,898.66 and 97,160.64 is: 134,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,819.32 : 221,898.66 = 97,160.64 : x
  2. Step 2: Convert to fraction form
    160,819.32/221,898.66 = 97,160.64/x
  3. Step 3: Cross multiply
    160,819.32x = 221,898.66 × 97,160.64
  4. Step 4: Simplify right side
    160,819.32x = 21,559,815,820.74
  5. Step 5: Solve for x
    x = 21,559,815,820.74/160,819.32
  6. Step 6: Final answer
    x = 134,062.35

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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.