Home / 155,344.80-233,030.52-66,577.20

Finding the Fourth Proportional to 155,344.80, 233,030.52 and 66,577.20

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Solution

The fourth proportional to 155,344.80, 233,030.52 and 66,577.20 is: 99,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,344.80 : 233,030.52 = 66,577.20 : x
  2. Step 2: Convert to fraction form
    155,344.80/233,030.52 = 66,577.20/x
  3. Step 3: Cross multiply
    155,344.80x = 233,030.52 × 66,577.20
  4. Step 4: Simplify right side
    155,344.80x = 15,514,519,536.14
  5. Step 5: Solve for x
    x = 15,514,519,536.14/155,344.80
  6. Step 6: Final answer
    x = 99,871.51

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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.