Home / 145,981.44-219,058.56-61,736.85

Finding the Fourth Proportional to 145,981.44, 219,058.56 and 61,736.85

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Solution

The fourth proportional to 145,981.44, 219,058.56 and 61,736.85 is: 92,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,981.44 : 219,058.56 = 61,736.85 : x
  2. Step 2: Convert to fraction form
    145,981.44/219,058.56 = 61,736.85/x
  3. Step 3: Cross multiply
    145,981.44x = 219,058.56 × 61,736.85
  4. Step 4: Simplify right side
    145,981.44x = 13,523,985,459.94
  5. Step 5: Solve for x
    x = 13,523,985,459.94/145,981.44
  6. Step 6: Final answer
    x = 92,641.81

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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.