Home / 99,010.36-136,584.42-70,732.45

Finding the Fourth Proportional to 99,010.36, 136,584.42 and 70,732.45

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Solution

The fourth proportional to 99,010.36, 136,584.42 and 70,732.45 is: 97,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,010.36 : 136,584.42 = 70,732.45 : x
  2. Step 2: Convert to fraction form
    99,010.36/136,584.42 = 70,732.45/x
  3. Step 3: Cross multiply
    99,010.36x = 136,584.42 × 70,732.45
  4. Step 4: Simplify right side
    99,010.36x = 9,660,950,658.43
  5. Step 5: Solve for x
    x = 9,660,950,658.43/99,010.36
  6. Step 6: Final answer
    x = 97,575.15

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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.