Home / 100,547.72-150,821.98-33,988.36

Finding the Fourth Proportional to 100,547.72, 150,821.98 and 33,988.36

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Solution

The fourth proportional to 100,547.72, 150,821.98 and 33,988.36 is: 50,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,547.72 : 150,821.98 = 33,988.36 : x
  2. Step 2: Convert to fraction form
    100,547.72/150,821.98 = 33,988.36/x
  3. Step 3: Cross multiply
    100,547.72x = 150,821.98 × 33,988.36
  4. Step 4: Simplify right side
    100,547.72x = 5,126,191,752.15
  5. Step 5: Solve for x
    x = 5,126,191,752.15/100,547.72
  6. Step 6: Final answer
    x = 50,982.68

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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.