Home / 97,914.42-135,120.15-55,472.04

Finding the Fourth Proportional to 97,914.42, 135,120.15 and 55,472.04

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Solution

The fourth proportional to 97,914.42, 135,120.15 and 55,472.04 is: 76,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,914.42 : 135,120.15 = 55,472.04 : x
  2. Step 2: Convert to fraction form
    97,914.42/135,120.15 = 55,472.04/x
  3. Step 3: Cross multiply
    97,914.42x = 135,120.15 × 55,472.04
  4. Step 4: Simplify right side
    97,914.42x = 7,495,390,365.61
  5. Step 5: Solve for x
    x = 7,495,390,365.61/97,914.42
  6. Step 6: Final answer
    x = 76,550.42

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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.