Home / 185,246.10-277,942.05-72,907.20

Finding the Fourth Proportional to 185,246.10, 277,942.05 and 72,907.20

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Solution

The fourth proportional to 185,246.10, 277,942.05 and 72,907.20 is: 109,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,246.10 : 277,942.05 = 72,907.20 : x
  2. Step 2: Convert to fraction form
    185,246.10/277,942.05 = 72,907.20/x
  3. Step 3: Cross multiply
    185,246.10x = 277,942.05 × 72,907.20
  4. Step 4: Simplify right side
    185,246.10x = 20,263,976,627.76
  5. Step 5: Solve for x
    x = 20,263,976,627.76/185,246.10
  6. Step 6: Final answer
    x = 109,389.49

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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.