Home / 155,641.39-233,554.93-80,760.94

Finding the Fourth Proportional to 155,641.39, 233,554.93 and 80,760.94

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Solution

The fourth proportional to 155,641.39, 233,554.93 and 80,760.94 is: 121,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,641.39 : 233,554.93 = 80,760.94 : x
  2. Step 2: Convert to fraction form
    155,641.39/233,554.93 = 80,760.94/x
  3. Step 3: Cross multiply
    155,641.39x = 233,554.93 × 80,760.94
  4. Step 4: Simplify right side
    155,641.39x = 18,862,115,688.43
  5. Step 5: Solve for x
    x = 18,862,115,688.43/155,641.39
  6. Step 6: Final answer
    x = 121,189.59

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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.