Home / 155,623.60-233,435.40-76,891.60

Finding the Fourth Proportional to 155,623.60, 233,435.40 and 76,891.60

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Solution

The fourth proportional to 155,623.60, 233,435.40 and 76,891.60 is: 115,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,623.60 : 233,435.40 = 76,891.60 : x
  2. Step 2: Convert to fraction form
    155,623.60/233,435.40 = 76,891.60/x
  3. Step 3: Cross multiply
    155,623.60x = 233,435.40 × 76,891.60
  4. Step 4: Simplify right side
    155,623.60x = 17,949,221,402.64
  5. Step 5: Solve for x
    x = 17,949,221,402.64/155,623.60
  6. Step 6: Final answer
    x = 115,337.40

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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.