Home / 164,764.15-227,374.88-89,312.65

Finding the Fourth Proportional to 164,764.15, 227,374.88 and 89,312.65

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Solution

The fourth proportional to 164,764.15, 227,374.88 and 89,312.65 is: 123,251.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,764.15 : 227,374.88 = 89,312.65 : x
  2. Step 2: Convert to fraction form
    164,764.15/227,374.88 = 89,312.65/x
  3. Step 3: Cross multiply
    164,764.15x = 227,374.88 × 89,312.65
  4. Step 4: Simplify right side
    164,764.15x = 20,307,452,061.23
  5. Step 5: Solve for x
    x = 20,307,452,061.23/164,764.15
  6. Step 6: Final answer
    x = 123,251.64

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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.