Home / 102,777.31-154,164.25-30,730.39

Finding the Fourth Proportional to 102,777.31, 154,164.25 and 30,730.39

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Solution

The fourth proportional to 102,777.31, 154,164.25 and 30,730.39 is: 46,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,777.31 : 154,164.25 = 30,730.39 : x
  2. Step 2: Convert to fraction form
    102,777.31/154,164.25 = 30,730.39/x
  3. Step 3: Cross multiply
    102,777.31x = 154,164.25 × 30,730.39
  4. Step 4: Simplify right side
    102,777.31x = 4,737,527,006.70
  5. Step 5: Solve for x
    x = 4,737,527,006.70/102,777.31
  6. Step 6: Final answer
    x = 46,095.07

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1.5x scale

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.