Home / 170,974.80-256,001.40-123,973.20

Finding the Fourth Proportional to 170,974.80, 256,001.40 and 123,973.20

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Solution

The fourth proportional to 170,974.80, 256,001.40 and 123,973.20 is: 185,625.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,974.80 : 256,001.40 = 123,973.20 : x
  2. Step 2: Convert to fraction form
    170,974.80/256,001.40 = 123,973.20/x
  3. Step 3: Cross multiply
    170,974.80x = 256,001.40 × 123,973.20
  4. Step 4: Simplify right side
    170,974.80x = 31,737,312,762.48
  5. Step 5: Solve for x
    x = 31,737,312,762.48/170,974.80
  6. Step 6: Final answer
    x = 185,625.68

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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.