Home / 218,127.48-301,034.11-121,349.57

Finding the Fourth Proportional to 218,127.48, 301,034.11 and 121,349.57

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Solution

The fourth proportional to 218,127.48, 301,034.11 and 121,349.57 is: 167,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,127.48 : 301,034.11 = 121,349.57 : x
  2. Step 2: Convert to fraction form
    218,127.48/301,034.11 = 121,349.57/x
  3. Step 3: Cross multiply
    218,127.48x = 301,034.11 × 121,349.57
  4. Step 4: Simplify right side
    218,127.48x = 36,530,359,802.37
  5. Step 5: Solve for x
    x = 36,530,359,802.37/218,127.48
  6. Step 6: Final answer
    x = 167,472.52

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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.