Home / 155,475.25-214,559.98-87,494.65

Finding the Fourth Proportional to 155,475.25, 214,559.98 and 87,494.65

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Solution

The fourth proportional to 155,475.25, 214,559.98 and 87,494.65 is: 120,744.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,475.25 : 214,559.98 = 87,494.65 : x
  2. Step 2: Convert to fraction form
    155,475.25/214,559.98 = 87,494.65/x
  3. Step 3: Cross multiply
    155,475.25x = 214,559.98 × 87,494.65
  4. Step 4: Simplify right side
    155,475.25x = 18,772,849,281.31
  5. Step 5: Solve for x
    x = 18,772,849,281.31/155,475.25
  6. Step 6: Final answer
    x = 120,744.94

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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.