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Finding the Fourth Proportional to 124,085.49, 171,208.11 and 73,094.22

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Solution

The fourth proportional to 124,085.49, 171,208.11 and 73,094.22 is: 100,852.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,085.49 : 171,208.11 = 73,094.22 : x
  2. Step 2: Convert to fraction form
    124,085.49/171,208.11 = 73,094.22/x
  3. Step 3: Cross multiply
    124,085.49x = 171,208.11 × 73,094.22
  4. Step 4: Simplify right side
    124,085.49x = 12,514,323,258.12
  5. Step 5: Solve for x
    x = 12,514,323,258.12/124,085.49
  6. Step 6: Final answer
    x = 100,852.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.