Home / 136,247.04-204,075.18-65,979

Finding the Fourth Proportional to 136,247.04, 204,075.18 and 65,979

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Solution

The fourth proportional to 136,247.04, 204,075.18 and 65,979 is: 98,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,247.04 : 204,075.18 = 65,979 : x
  2. Step 2: Convert to fraction form
    136,247.04/204,075.18 = 65,979/x
  3. Step 3: Cross multiply
    136,247.04x = 204,075.18 × 65,979
  4. Step 4: Simplify right side
    136,247.04x = 13,464,676,301.22
  5. Step 5: Solve for x
    x = 13,464,676,301.22/136,247.04
  6. Step 6: Final answer
    x = 98,825.46

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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.