Home / 151,975.50-209,726.19-84,920.46

Finding the Fourth Proportional to 151,975.50, 209,726.19 and 84,920.46

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Solution

The fourth proportional to 151,975.50, 209,726.19 and 84,920.46 is: 117,190.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,975.50 : 209,726.19 = 84,920.46 : x
  2. Step 2: Convert to fraction form
    151,975.50/209,726.19 = 84,920.46/x
  3. Step 3: Cross multiply
    151,975.50x = 209,726.19 × 84,920.46
  4. Step 4: Simplify right side
    151,975.50x = 17,810,044,528.85
  5. Step 5: Solve for x
    x = 17,810,044,528.85/151,975.50
  6. Step 6: Final answer
    x = 117,190.23

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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.