Home / 115,894.20-173,841.30-42,012.60

Finding the Fourth Proportional to 115,894.20, 173,841.30 and 42,012.60

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Solution

The fourth proportional to 115,894.20, 173,841.30 and 42,012.60 is: 63,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,894.20 : 173,841.30 = 42,012.60 : x
  2. Step 2: Convert to fraction form
    115,894.20/173,841.30 = 42,012.60/x
  3. Step 3: Cross multiply
    115,894.20x = 173,841.30 × 42,012.60
  4. Step 4: Simplify right side
    115,894.20x = 7,303,525,000.38
  5. Step 5: Solve for x
    x = 7,303,525,000.38/115,894.20
  6. Step 6: Final answer
    x = 63,018.90

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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.