Home / 218,746.20-301,869.92-118,144.20

Finding the Fourth Proportional to 218,746.20, 301,869.92 and 118,144.20

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Solution

The fourth proportional to 218,746.20, 301,869.92 and 118,144.20 is: 163,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,746.20 : 301,869.92 = 118,144.20 : x
  2. Step 2: Convert to fraction form
    218,746.20/301,869.92 = 118,144.20/x
  3. Step 3: Cross multiply
    218,746.20x = 301,869.92 × 118,144.20
  4. Step 4: Simplify right side
    218,746.20x = 35,664,178,833.60
  5. Step 5: Solve for x
    x = 35,664,178,833.60/218,746.20
  6. Step 6: Final answer
    x = 163,039.08

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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.