Home / 152,418.36-210,344.88-91,988.04

Finding the Fourth Proportional to 152,418.36, 210,344.88 and 91,988.04

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Solution

The fourth proportional to 152,418.36, 210,344.88 and 91,988.04 is: 126,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,418.36 : 210,344.88 = 91,988.04 : x
  2. Step 2: Convert to fraction form
    152,418.36/210,344.88 = 91,988.04/x
  3. Step 3: Cross multiply
    152,418.36x = 210,344.88 × 91,988.04
  4. Step 4: Simplify right side
    152,418.36x = 19,349,213,235.24
  5. Step 5: Solve for x
    x = 19,349,213,235.24/152,418.36
  6. Step 6: Final answer
    x = 126,948.05

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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.