Home / 159,196.01-219,685.10-87,575.40

Finding the Fourth Proportional to 159,196.01, 219,685.10 and 87,575.40

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Solution

The fourth proportional to 159,196.01, 219,685.10 and 87,575.40 is: 120,851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,196.01 : 219,685.10 = 87,575.40 : x
  2. Step 2: Convert to fraction form
    159,196.01/219,685.10 = 87,575.40/x
  3. Step 3: Cross multiply
    159,196.01x = 219,685.10 × 87,575.40
  4. Step 4: Simplify right side
    159,196.01x = 19,239,010,068.66
  5. Step 5: Solve for x
    x = 19,239,010,068.66/159,196.01
  6. Step 6: Final answer
    x = 120,851.09

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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.