Home / 212,738.96-319,146.43-70,592.77

Finding the Fourth Proportional to 212,738.96, 319,146.43 and 70,592.77

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Solution

The fourth proportional to 212,738.96, 319,146.43 and 70,592.77 is: 105,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,738.96 : 319,146.43 = 70,592.77 : x
  2. Step 2: Convert to fraction form
    212,738.96/319,146.43 = 70,592.77/x
  3. Step 3: Cross multiply
    212,738.96x = 319,146.43 × 70,592.77
  4. Step 4: Simplify right side
    212,738.96x = 22,529,429,088.93
  5. Step 5: Solve for x
    x = 22,529,429,088.93/212,738.96
  6. Step 6: Final answer
    x = 105,901.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.