Home / 121,298.29-167,496.89-76,054.03

Finding the Fourth Proportional to 121,298.29, 167,496.89 and 76,054.03

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Solution

The fourth proportional to 121,298.29, 167,496.89 and 76,054.03 is: 105,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,298.29 : 167,496.89 = 76,054.03 : x
  2. Step 2: Convert to fraction form
    121,298.29/167,496.89 = 76,054.03/x
  3. Step 3: Cross multiply
    121,298.29x = 167,496.89 × 76,054.03
  4. Step 4: Simplify right side
    121,298.29x = 12,738,812,697.95
  5. Step 5: Solve for x
    x = 12,738,812,697.95/121,298.29
  6. Step 6: Final answer
    x = 105,020.55

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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.