Home / 98,221.05-147,331.38-31,671.03

Finding the Fourth Proportional to 98,221.05, 147,331.38 and 31,671.03

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Solution

The fourth proportional to 98,221.05, 147,331.38 and 31,671.03 is: 47,506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,221.05 : 147,331.38 = 31,671.03 : x
  2. Step 2: Convert to fraction form
    98,221.05/147,331.38 = 31,671.03/x
  3. Step 3: Cross multiply
    98,221.05x = 147,331.38 × 31,671.03
  4. Step 4: Simplify right side
    98,221.05x = 4,666,136,555.92
  5. Step 5: Solve for x
    x = 4,666,136,555.92/98,221.05
  6. Step 6: Final answer
    x = 47,506.48

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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.