Home / 204,423.75-306,436.40-97,779.86

Finding the Fourth Proportional to 204,423.75, 306,436.40 and 97,779.86

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Solution

The fourth proportional to 204,423.75, 306,436.40 and 97,779.86 is: 146,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,423.75 : 306,436.40 = 97,779.86 : x
  2. Step 2: Convert to fraction form
    204,423.75/306,436.40 = 97,779.86/x
  3. Step 3: Cross multiply
    204,423.75x = 306,436.40 × 97,779.86
  4. Step 4: Simplify right side
    204,423.75x = 29,963,307,785.63
  5. Step 5: Solve for x
    x = 29,963,307,785.63/204,423.75
  6. Step 6: Final answer
    x = 146,574.49

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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.