Home / 147,057.20-202,933.08-79,989.36

Finding the Fourth Proportional to 147,057.20, 202,933.08 and 79,989.36

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Solution

The fourth proportional to 147,057.20, 202,933.08 and 79,989.36 is: 110,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,057.20 : 202,933.08 = 79,989.36 : x
  2. Step 2: Convert to fraction form
    147,057.20/202,933.08 = 79,989.36/x
  3. Step 3: Cross multiply
    147,057.20x = 202,933.08 × 79,989.36
  4. Step 4: Simplify right side
    147,057.20x = 16,232,487,192.03
  5. Step 5: Solve for x
    x = 16,232,487,192.03/147,057.20
  6. Step 6: Final answer
    x = 110,382.13

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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.