Home / 117,554.17-162,274.39-79,365.43

Finding the Fourth Proportional to 117,554.17, 162,274.39 and 79,365.43

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Solution

The fourth proportional to 117,554.17, 162,274.39 and 79,365.43 is: 109,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.17 : 162,274.39 = 79,365.43 : x
  2. Step 2: Convert to fraction form
    117,554.17/162,274.39 = 79,365.43/x
  3. Step 3: Cross multiply
    117,554.17x = 162,274.39 × 79,365.43
  4. Step 4: Simplify right side
    117,554.17x = 12,878,976,278.40
  5. Step 5: Solve for x
    x = 12,878,976,278.40/117,554.17
  6. Step 6: Final answer
    x = 109,557.80

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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.