Home / 155,496.24-214,582.20-87,513.20

Finding the Fourth Proportional to 155,496.24, 214,582.20 and 87,513.20

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Solution

The fourth proportional to 155,496.24, 214,582.20 and 87,513.20 is: 120,766.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,496.24 : 214,582.20 = 87,513.20 : x
  2. Step 2: Convert to fraction form
    155,496.24/214,582.20 = 87,513.20/x
  3. Step 3: Cross multiply
    155,496.24x = 214,582.20 × 87,513.20
  4. Step 4: Simplify right side
    155,496.24x = 18,778,774,985.04
  5. Step 5: Solve for x
    x = 18,778,774,985.04/155,496.24
  6. Step 6: Final answer
    x = 120,766.75

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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.