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Finding the Fourth Proportional to 114,026.22, 157,365.72 and 75,718.08

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Solution

The fourth proportional to 114,026.22, 157,365.72 and 75,718.08 is: 104,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,026.22 : 157,365.72 = 75,718.08 : x
  2. Step 2: Convert to fraction form
    114,026.22/157,365.72 = 75,718.08/x
  3. Step 3: Cross multiply
    114,026.22x = 157,365.72 × 75,718.08
  4. Step 4: Simplify right side
    114,026.22x = 11,915,430,176.22
  5. Step 5: Solve for x
    x = 11,915,430,176.22/114,026.22
  6. Step 6: Final answer
    x = 104,497.28

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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.