Home / 99,047.74-136,496.91-70,704.22

Finding the Fourth Proportional to 99,047.74, 136,496.91 and 70,704.22

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Solution

The fourth proportional to 99,047.74, 136,496.91 and 70,704.22 is: 97,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,047.74 : 136,496.91 = 70,704.22 : x
  2. Step 2: Convert to fraction form
    99,047.74/136,496.91 = 70,704.22/x
  3. Step 3: Cross multiply
    99,047.74x = 136,496.91 × 70,704.22
  4. Step 4: Simplify right side
    99,047.74x = 9,650,907,553.96
  5. Step 5: Solve for x
    x = 9,650,907,553.96/99,047.74
  6. Step 6: Final answer
    x = 97,436.93

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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.