Home / 218,486.04-301,516.40-122,996.20

Finding the Fourth Proportional to 218,486.04, 301,516.40 and 122,996.20

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Solution

The fourth proportional to 218,486.04, 301,516.40 and 122,996.20 is: 169,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,486.04 : 301,516.40 = 122,996.20 : x
  2. Step 2: Convert to fraction form
    218,486.04/301,516.40 = 122,996.20/x
  3. Step 3: Cross multiply
    218,486.04x = 301,516.40 × 122,996.20
  4. Step 4: Simplify right side
    218,486.04x = 37,085,371,437.68
  5. Step 5: Solve for x
    x = 37,085,371,437.68/218,486.04
  6. Step 6: Final answer
    x = 169,737.94

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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.