Home / 148,125.68-204,200.80-105,610.40

Finding the Fourth Proportional to 148,125.68, 204,200.80 and 105,610.40

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Solution

The fourth proportional to 148,125.68, 204,200.80 and 105,610.40 is: 145,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,125.68 : 204,200.80 = 105,610.40 : x
  2. Step 2: Convert to fraction form
    148,125.68/204,200.80 = 105,610.40/x
  3. Step 3: Cross multiply
    148,125.68x = 204,200.80 × 105,610.40
  4. Step 4: Simplify right side
    148,125.68x = 21,565,728,168.32
  5. Step 5: Solve for x
    x = 21,565,728,168.32/148,125.68
  6. Step 6: Final answer
    x = 145,590.75

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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.