Home / 155,675.89-233,531.16-66,938.32

Finding the Fourth Proportional to 155,675.89, 233,531.16 and 66,938.32

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Solution

The fourth proportional to 155,675.89, 233,531.16 and 66,938.32 is: 100,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,675.89 : 233,531.16 = 66,938.32 : x
  2. Step 2: Convert to fraction form
    155,675.89/233,531.16 = 66,938.32/x
  3. Step 3: Cross multiply
    155,675.89x = 233,531.16 × 66,938.32
  4. Step 4: Simplify right side
    155,675.89x = 15,632,183,518.05
  5. Step 5: Solve for x
    x = 15,632,183,518.05/155,675.89
  6. Step 6: Final answer
    x = 100,414.93

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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.