Home / 117,553.84-162,273.95-79,365.11

Finding the Fourth Proportional to 117,553.84, 162,273.95 and 79,365.11

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Solution

The fourth proportional to 117,553.84, 162,273.95 and 79,365.11 is: 109,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,553.84 : 162,273.95 = 79,365.11 : x
  2. Step 2: Convert to fraction form
    117,553.84/162,273.95 = 79,365.11/x
  3. Step 3: Cross multiply
    117,553.84x = 162,273.95 × 79,365.11
  4. Step 4: Simplify right side
    117,553.84x = 12,878,888,981.31
  5. Step 5: Solve for x
    x = 12,878,888,981.31/117,553.84
  6. Step 6: Final answer
    x = 109,557.37

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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.