Home / 131,812.26-181,915.65-75,233.22

Finding the Fourth Proportional to 131,812.26, 181,915.65 and 75,233.22

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Solution

The fourth proportional to 131,812.26, 181,915.65 and 75,233.22 is: 103,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,812.26 : 181,915.65 = 75,233.22 : x
  2. Step 2: Convert to fraction form
    131,812.26/181,915.65 = 75,233.22/x
  3. Step 3: Cross multiply
    131,812.26x = 181,915.65 × 75,233.22
  4. Step 4: Simplify right side
    131,812.26x = 13,686,100,117.89
  5. Step 5: Solve for x
    x = 13,686,100,117.89/131,812.26
  6. Step 6: Final answer
    x = 103,830.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.