Home / 218,722.46-301,837-118,120.46

Finding the Fourth Proportional to 218,722.46, 301,837 and 118,120.46

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Solution

The fourth proportional to 218,722.46, 301,837 and 118,120.46 is: 163,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,722.46 : 301,837 = 118,120.46 : x
  2. Step 2: Convert to fraction form
    218,722.46/301,837 = 118,120.46/x
  3. Step 3: Cross multiply
    218,722.46x = 301,837 × 118,120.46
  4. Step 4: Simplify right side
    218,722.46x = 35,653,125,285.02
  5. Step 5: Solve for x
    x = 35,653,125,285.02/218,722.46
  6. Step 6: Final answer
    x = 163,006.24

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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.