Home / 102,088.80-153,164.34-52,203.92

Finding the Fourth Proportional to 102,088.80, 153,164.34 and 52,203.92

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Solution

The fourth proportional to 102,088.80, 153,164.34 and 52,203.92 is: 78,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,088.80 : 153,164.34 = 52,203.92 : x
  2. Step 2: Convert to fraction form
    102,088.80/153,164.34 = 52,203.92/x
  3. Step 3: Cross multiply
    102,088.80x = 153,164.34 × 52,203.92
  4. Step 4: Simplify right side
    102,088.80x = 7,995,778,186.39
  5. Step 5: Solve for x
    x = 7,995,778,186.39/102,088.80
  6. Step 6: Final answer
    x = 78,321.80

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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.