Home / 155,812.42-233,499.93-66,999.16

Finding the Fourth Proportional to 155,812.42, 233,499.93 and 66,999.16

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Solution

The fourth proportional to 155,812.42, 233,499.93 and 66,999.16 is: 100,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,812.42 : 233,499.93 = 66,999.16 : x
  2. Step 2: Convert to fraction form
    155,812.42/233,499.93 = 66,999.16/x
  3. Step 3: Cross multiply
    155,812.42x = 233,499.93 × 66,999.16
  4. Step 4: Simplify right side
    155,812.42x = 15,644,299,170.06
  5. Step 5: Solve for x
    x = 15,644,299,170.06/155,812.42
  6. Step 6: Final answer
    x = 100,404.70

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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.