Home / 164,853.12-227,497.28-89,401.60

Finding the Fourth Proportional to 164,853.12, 227,497.28 and 89,401.60

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Solution

The fourth proportional to 164,853.12, 227,497.28 and 89,401.60 is: 123,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,853.12 : 227,497.28 = 89,401.60 : x
  2. Step 2: Convert to fraction form
    164,853.12/227,497.28 = 89,401.60/x
  3. Step 3: Cross multiply
    164,853.12x = 227,497.28 × 89,401.60
  4. Step 4: Simplify right side
    164,853.12x = 20,338,620,827.65
  5. Step 5: Solve for x
    x = 20,338,620,827.65/164,853.12
  6. Step 6: Final answer
    x = 123,374.19

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1.5x scale

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.