Home / 98,711.03-136,220.69-53,388.96

Finding the Fourth Proportional to 98,711.03, 136,220.69 and 53,388.96

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Solution

The fourth proportional to 98,711.03, 136,220.69 and 53,388.96 is: 73,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,711.03 : 136,220.69 = 53,388.96 : x
  2. Step 2: Convert to fraction form
    98,711.03/136,220.69 = 53,388.96/x
  3. Step 3: Cross multiply
    98,711.03x = 136,220.69 × 53,388.96
  4. Step 4: Simplify right side
    98,711.03x = 7,272,680,702.64
  5. Step 5: Solve for x
    x = 7,272,680,702.64/98,711.03
  6. Step 6: Final answer
    x = 73,676.48

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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.