Home / 104,985.54-157,445.97-30,085.58

Finding the Fourth Proportional to 104,985.54, 157,445.97 and 30,085.58

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Solution

The fourth proportional to 104,985.54, 157,445.97 and 30,085.58 is: 45,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,985.54 : 157,445.97 = 30,085.58 : x
  2. Step 2: Convert to fraction form
    104,985.54/157,445.97 = 30,085.58/x
  3. Step 3: Cross multiply
    104,985.54x = 157,445.97 × 30,085.58
  4. Step 4: Simplify right side
    104,985.54x = 4,736,853,326.11
  5. Step 5: Solve for x
    x = 4,736,853,326.11/104,985.54
  6. Step 6: Final answer
    x = 45,119.10

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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.