Home / 98,103.74-135,396.90-57,281.22

Finding the Fourth Proportional to 98,103.74, 135,396.90 and 57,281.22

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Solution

The fourth proportional to 98,103.74, 135,396.90 and 57,281.22 is: 79,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,103.74 : 135,396.90 = 57,281.22 : x
  2. Step 2: Convert to fraction form
    98,103.74/135,396.90 = 57,281.22/x
  3. Step 3: Cross multiply
    98,103.74x = 135,396.90 × 57,281.22
  4. Step 4: Simplify right side
    98,103.74x = 7,755,699,616.22
  5. Step 5: Solve for x
    x = 7,755,699,616.22/98,103.74
  6. Step 6: Final answer
    x = 79,056.11

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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.