Home / 185,784.39-256,381.02-100,901.46

Finding the Fourth Proportional to 185,784.39, 256,381.02 and 100,901.46

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Solution

The fourth proportional to 185,784.39, 256,381.02 and 100,901.46 is: 139,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,784.39 : 256,381.02 = 100,901.46 : x
  2. Step 2: Convert to fraction form
    185,784.39/256,381.02 = 100,901.46/x
  3. Step 3: Cross multiply
    185,784.39x = 256,381.02 × 100,901.46
  4. Step 4: Simplify right side
    185,784.39x = 25,869,219,234.29
  5. Step 5: Solve for x
    x = 25,869,219,234.29/185,784.39
  6. Step 6: Final answer
    x = 139,243.23

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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.