Home / 152,640.41-210,616.61-92,170.53

Finding the Fourth Proportional to 152,640.41, 210,616.61 and 92,170.53

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Solution

The fourth proportional to 152,640.41, 210,616.61 and 92,170.53 is: 127,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,640.41 : 210,616.61 = 92,170.53 : x
  2. Step 2: Convert to fraction form
    152,640.41/210,616.61 = 92,170.53/x
  3. Step 3: Cross multiply
    152,640.41x = 210,616.61 × 92,170.53
  4. Step 4: Simplify right side
    152,640.41x = 19,412,644,109.65
  5. Step 5: Solve for x
    x = 19,412,644,109.65/152,640.41
  6. Step 6: Final answer
    x = 127,178.93

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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.