Home / 146,983.76-202,837.32-79,915.60

Finding the Fourth Proportional to 146,983.76, 202,837.32 and 79,915.60

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Solution

The fourth proportional to 146,983.76, 202,837.32 and 79,915.60 is: 110,283.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,983.76 : 202,837.32 = 79,915.60 : x
  2. Step 2: Convert to fraction form
    146,983.76/202,837.32 = 79,915.60/x
  3. Step 3: Cross multiply
    146,983.76x = 202,837.32 × 79,915.60
  4. Step 4: Simplify right side
    146,983.76x = 16,209,866,130.19
  5. Step 5: Solve for x
    x = 16,209,866,130.19/146,983.76
  6. Step 6: Final answer
    x = 110,283.38

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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.