Home / 146,983.26-202,836.63-79,915.10

Finding the Fourth Proportional to 146,983.26, 202,836.63 and 79,915.10

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Solution

The fourth proportional to 146,983.26, 202,836.63 and 79,915.10 is: 110,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,983.26 : 202,836.63 = 79,915.10 : x
  2. Step 2: Convert to fraction form
    146,983.26/202,836.63 = 79,915.10/x
  3. Step 3: Cross multiply
    146,983.26x = 202,836.63 × 79,915.10
  4. Step 4: Simplify right side
    146,983.26x = 16,209,709,570.11
  5. Step 5: Solve for x
    x = 16,209,709,570.11/146,983.26
  6. Step 6: Final answer
    x = 110,282.69

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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.