Home / 159,152.32-219,630.28-87,537.20

Finding the Fourth Proportional to 159,152.32, 219,630.28 and 87,537.20

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Solution

The fourth proportional to 159,152.32, 219,630.28 and 87,537.20 is: 120,801.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,152.32 : 219,630.28 = 87,537.20 : x
  2. Step 2: Convert to fraction form
    159,152.32/219,630.28 = 87,537.20/x
  3. Step 3: Cross multiply
    159,152.32x = 219,630.28 × 87,537.20
  4. Step 4: Simplify right side
    159,152.32x = 19,225,819,746.42
  5. Step 5: Solve for x
    x = 19,225,819,746.42/159,152.32
  6. Step 6: Final answer
    x = 120,801.38

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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.