Home / 148,173.90-204,479.60-80,191.01

Finding the Fourth Proportional to 148,173.90, 204,479.60 and 80,191.01

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Solution

The fourth proportional to 148,173.90, 204,479.60 and 80,191.01 is: 110,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,173.90 : 204,479.60 = 80,191.01 : x
  2. Step 2: Convert to fraction form
    148,173.90/204,479.60 = 80,191.01/x
  3. Step 3: Cross multiply
    148,173.90x = 204,479.60 × 80,191.01
  4. Step 4: Simplify right side
    148,173.90x = 16,397,424,225.04
  5. Step 5: Solve for x
    x = 16,397,424,225.04/148,173.90
  6. Step 6: Final answer
    x = 110,663.38

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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.