Home / 103,055.13-154,641.15-43,884.63

Finding the Fourth Proportional to 103,055.13, 154,641.15 and 43,884.63

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Solution

The fourth proportional to 103,055.13, 154,641.15 and 43,884.63 is: 65,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,055.13 : 154,641.15 = 43,884.63 : x
  2. Step 2: Convert to fraction form
    103,055.13/154,641.15 = 43,884.63/x
  3. Step 3: Cross multiply
    103,055.13x = 154,641.15 × 43,884.63
  4. Step 4: Simplify right side
    103,055.13x = 6,786,369,650.52
  5. Step 5: Solve for x
    x = 6,786,369,650.52/103,055.13
  6. Step 6: Final answer
    x = 65,851.84

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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.