Home / 152,449.30-210,313.02-91,986.22

Finding the Fourth Proportional to 152,449.30, 210,313.02 and 91,986.22

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Solution

The fourth proportional to 152,449.30, 210,313.02 and 91,986.22 is: 126,900.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,449.30 : 210,313.02 = 91,986.22 : x
  2. Step 2: Convert to fraction form
    152,449.30/210,313.02 = 91,986.22/x
  3. Step 3: Cross multiply
    152,449.30x = 210,313.02 × 91,986.22
  4. Step 4: Simplify right side
    152,449.30x = 19,345,899,726.58
  5. Step 5: Solve for x
    x = 19,345,899,726.58/152,449.30
  6. Step 6: Final answer
    x = 126,900.55

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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.