Home / 161,848.60-242,513.70-102,578.20

Finding the Fourth Proportional to 161,848.60, 242,513.70 and 102,578.20

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Solution

The fourth proportional to 161,848.60, 242,513.70 and 102,578.20 is: 153,703.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,848.60 : 242,513.70 = 102,578.20 : x
  2. Step 2: Convert to fraction form
    161,848.60/242,513.70 = 102,578.20/x
  3. Step 3: Cross multiply
    161,848.60x = 242,513.70 × 102,578.20
  4. Step 4: Simplify right side
    161,848.60x = 24,876,618,821.34
  5. Step 5: Solve for x
    x = 24,876,618,821.34/161,848.60
  6. Step 6: Final answer
    x = 153,703.02

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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.