Home / 204,133.76-306,206.40-56,389.76

Finding the Fourth Proportional to 204,133.76, 306,206.40 and 56,389.76

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Solution

The fourth proportional to 204,133.76, 306,206.40 and 56,389.76 is: 84,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,133.76 : 306,206.40 = 56,389.76 : x
  2. Step 2: Convert to fraction form
    204,133.76/306,206.40 = 56,389.76/x
  3. Step 3: Cross multiply
    204,133.76x = 306,206.40 × 56,389.76
  4. Step 4: Simplify right side
    204,133.76x = 17,266,905,406.46
  5. Step 5: Solve for x
    x = 17,266,905,406.46/204,133.76
  6. Step 6: Final answer
    x = 84,586.23

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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.