Home / 155,429.60-233,029.20-66,610.40

Finding the Fourth Proportional to 155,429.60, 233,029.20 and 66,610.40

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Solution

The fourth proportional to 155,429.60, 233,029.20 and 66,610.40 is: 99,866.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,429.60 : 233,029.20 = 66,610.40 : x
  2. Step 2: Convert to fraction form
    155,429.60/233,029.20 = 66,610.40/x
  3. Step 3: Cross multiply
    155,429.60x = 233,029.20 × 66,610.40
  4. Step 4: Simplify right side
    155,429.60x = 15,522,168,223.68
  5. Step 5: Solve for x
    x = 15,522,168,223.68/155,429.60
  6. Step 6: Final answer
    x = 99,866.23

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1.5x scale

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.