Home / 90,806.04-136,223.61-34,643.88

Finding the Fourth Proportional to 90,806.04, 136,223.61 and 34,643.88

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Solution

The fourth proportional to 90,806.04, 136,223.61 and 34,643.88 is: 51,971.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,806.04 : 136,223.61 = 34,643.88 : x
  2. Step 2: Convert to fraction form
    90,806.04/136,223.61 = 34,643.88/x
  3. Step 3: Cross multiply
    90,806.04x = 136,223.61 × 34,643.88
  4. Step 4: Simplify right side
    90,806.04x = 4,719,314,398.01
  5. Step 5: Solve for x
    x = 4,719,314,398.01/90,806.04
  6. Step 6: Final answer
    x = 51,971.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.