Home / 218,719.18-301,832.47-118,117.18

Finding the Fourth Proportional to 218,719.18, 301,832.47 and 118,117.18

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Solution

The fourth proportional to 218,719.18, 301,832.47 and 118,117.18 is: 163,001.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,719.18 : 301,832.47 = 118,117.18 : x
  2. Step 2: Convert to fraction form
    218,719.18/301,832.47 = 118,117.18/x
  3. Step 3: Cross multiply
    218,719.18x = 301,832.47 × 118,117.18
  4. Step 4: Simplify right side
    218,719.18x = 35,651,600,188.83
  5. Step 5: Solve for x
    x = 35,651,600,188.83/218,719.18
  6. Step 6: Final answer
    x = 163,001.71

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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.