Home / 152,213.06-210,138.48-91,799.07

Finding the Fourth Proportional to 152,213.06, 210,138.48 and 91,799.07

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Solution

The fourth proportional to 152,213.06, 210,138.48 and 91,799.07 is: 126,733.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,213.06 : 210,138.48 = 91,799.07 : x
  2. Step 2: Convert to fraction form
    152,213.06/210,138.48 = 91,799.07/x
  3. Step 3: Cross multiply
    152,213.06x = 210,138.48 × 91,799.07
  4. Step 4: Simplify right side
    152,213.06x = 19,290,517,035.21
  5. Step 5: Solve for x
    x = 19,290,517,035.21/152,213.06
  6. Step 6: Final answer
    x = 126,733.66

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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.