Home / 102,133.12-153,157.76-38,976.24

Finding the Fourth Proportional to 102,133.12, 153,157.76 and 38,976.24

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Solution

The fourth proportional to 102,133.12, 153,157.76 and 38,976.24 is: 58,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,133.12 : 153,157.76 = 38,976.24 : x
  2. Step 2: Convert to fraction form
    102,133.12/153,157.76 = 38,976.24/x
  3. Step 3: Cross multiply
    102,133.12x = 153,157.76 × 38,976.24
  4. Step 4: Simplify right side
    102,133.12x = 5,969,513,611.62
  5. Step 5: Solve for x
    x = 5,969,513,611.62/102,133.12
  6. Step 6: Final answer
    x = 58,448.36

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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.