Home / 119,827.10-179,569.38-87,987.35

Finding the Fourth Proportional to 119,827.10, 179,569.38 and 87,987.35

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Solution

The fourth proportional to 119,827.10, 179,569.38 and 87,987.35 is: 131,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,827.10 : 179,569.38 = 87,987.35 : x
  2. Step 2: Convert to fraction form
    119,827.10/179,569.38 = 87,987.35/x
  3. Step 3: Cross multiply
    119,827.10x = 179,569.38 × 87,987.35
  4. Step 4: Simplify right side
    119,827.10x = 15,799,832,989.50
  5. Step 5: Solve for x
    x = 15,799,832,989.50/119,827.10
  6. Step 6: Final answer
    x = 131,855.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.