Home / 170,726.58-255,470.13-123,436.35

Finding the Fourth Proportional to 170,726.58, 255,470.13 and 123,436.35

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Solution

The fourth proportional to 170,726.58, 255,470.13 and 123,436.35 is: 184,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,726.58 : 255,470.13 = 123,436.35 : x
  2. Step 2: Convert to fraction form
    170,726.58/255,470.13 = 123,436.35/x
  3. Step 3: Cross multiply
    170,726.58x = 255,470.13 × 123,436.35
  4. Step 4: Simplify right side
    170,726.58x = 31,534,300,381.23
  5. Step 5: Solve for x
    x = 31,534,300,381.23/170,726.58
  6. Step 6: Final answer
    x = 184,706.45

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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.