Home / 152,192.31-210,109.85-91,778.25

Finding the Fourth Proportional to 152,192.31, 210,109.85 and 91,778.25

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Solution

The fourth proportional to 152,192.31, 210,109.85 and 91,778.25 is: 126,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,192.31 : 210,109.85 = 91,778.25 : x
  2. Step 2: Convert to fraction form
    152,192.31/210,109.85 = 91,778.25/x
  3. Step 3: Cross multiply
    152,192.31x = 210,109.85 × 91,778.25
  4. Step 4: Simplify right side
    152,192.31x = 19,283,514,340.76
  5. Step 5: Solve for x
    x = 19,283,514,340.76/152,192.31
  6. Step 6: Final answer
    x = 126,704.92

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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.