Home / 170,830.80-255,641.40-148,885.20

Finding the Fourth Proportional to 170,830.80, 255,641.40 and 148,885.20

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Solution

The fourth proportional to 170,830.80, 255,641.40 and 148,885.20 is: 222,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,830.80 : 255,641.40 = 148,885.20 : x
  2. Step 2: Convert to fraction form
    170,830.80/255,641.40 = 148,885.20/x
  3. Step 3: Cross multiply
    170,830.80x = 255,641.40 × 148,885.20
  4. Step 4: Simplify right side
    170,830.80x = 38,061,220,967.28
  5. Step 5: Solve for x
    x = 38,061,220,967.28/170,830.80
  6. Step 6: Final answer
    x = 222,800.69

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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.