Home / 212,156.28-292,803.66-136,923.48

Finding the Fourth Proportional to 212,156.28, 292,803.66 and 136,923.48

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Solution

The fourth proportional to 212,156.28, 292,803.66 and 136,923.48 is: 188,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,156.28 : 292,803.66 = 136,923.48 : x
  2. Step 2: Convert to fraction form
    212,156.28/292,803.66 = 136,923.48/x
  3. Step 3: Cross multiply
    212,156.28x = 292,803.66 × 136,923.48
  4. Step 4: Simplify right side
    212,156.28x = 40,091,696,083.94
  5. Step 5: Solve for x
    x = 40,091,696,083.94/212,156.28
  6. Step 6: Final answer
    x = 188,972.47

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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.