Home / 99,838.64-149,815.54-55,461.66

Finding the Fourth Proportional to 99,838.64, 149,815.54 and 55,461.66

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Solution

The fourth proportional to 99,838.64, 149,815.54 and 55,461.66 is: 83,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,838.64 : 149,815.54 = 55,461.66 : x
  2. Step 2: Convert to fraction form
    99,838.64/149,815.54 = 55,461.66/x
  3. Step 3: Cross multiply
    99,838.64x = 149,815.54 × 55,461.66
  4. Step 4: Simplify right side
    99,838.64x = 8,309,018,542.20
  5. Step 5: Solve for x
    x = 8,309,018,542.20/99,838.64
  6. Step 6: Final answer
    x = 83,224.48

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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.