Home / 102,335.38-153,219.66-52,307.80

Finding the Fourth Proportional to 102,335.38, 153,219.66 and 52,307.80

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Solution

The fourth proportional to 102,335.38, 153,219.66 and 52,307.80 is: 78,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,335.38 : 153,219.66 = 52,307.80 : x
  2. Step 2: Convert to fraction form
    102,335.38/153,219.66 = 52,307.80/x
  3. Step 3: Cross multiply
    102,335.38x = 153,219.66 × 52,307.80
  4. Step 4: Simplify right side
    102,335.38x = 8,014,583,331.35
  5. Step 5: Solve for x
    x = 8,014,583,331.35/102,335.38
  6. Step 6: Final answer
    x = 78,316.84

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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.