Home / 191,815.75-264,705.74-106,938.28

Finding the Fourth Proportional to 191,815.75, 264,705.74 and 106,938.28

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Solution

The fourth proportional to 191,815.75, 264,705.74 and 106,938.28 is: 147,574.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,815.75 : 264,705.74 = 106,938.28 : x
  2. Step 2: Convert to fraction form
    191,815.75/264,705.74 = 106,938.28/x
  3. Step 3: Cross multiply
    191,815.75x = 264,705.74 × 106,938.28
  4. Step 4: Simplify right side
    191,815.75x = 28,307,176,541.73
  5. Step 5: Solve for x
    x = 28,307,176,541.73/191,815.75
  6. Step 6: Final answer
    x = 147,574.83

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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.