Home / 191,155.78-263,763.93-106,270.66

Finding the Fourth Proportional to 191,155.78, 263,763.93 and 106,270.66

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Solution

The fourth proportional to 191,155.78, 263,763.93 and 106,270.66 is: 146,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,155.78 : 263,763.93 = 106,270.66 : x
  2. Step 2: Convert to fraction form
    191,155.78/263,763.93 = 106,270.66/x
  3. Step 3: Cross multiply
    191,155.78x = 263,763.93 × 106,270.66
  4. Step 4: Simplify right side
    191,155.78x = 28,030,366,925.29
  5. Step 5: Solve for x
    x = 28,030,366,925.29/191,155.78
  6. Step 6: Final answer
    x = 146,636.25

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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.