Home / 72,102.08-108,158.80-25,365.44

Finding the Fourth Proportional to 72,102.08, 108,158.80 and 25,365.44

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Solution

The fourth proportional to 72,102.08, 108,158.80 and 25,365.44 is: 38,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,102.08 : 108,158.80 = 25,365.44 : x
  2. Step 2: Convert to fraction form
    72,102.08/108,158.80 = 25,365.44/x
  3. Step 3: Cross multiply
    72,102.08x = 108,158.80 × 25,365.44
  4. Step 4: Simplify right side
    72,102.08x = 2,743,495,551.87
  5. Step 5: Solve for x
    x = 2,743,495,551.87/72,102.08
  6. Step 6: Final answer
    x = 38,050.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.