Home / 204,303.78-281,941.38-112,424.28

Finding the Fourth Proportional to 204,303.78, 281,941.38 and 112,424.28

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Solution

The fourth proportional to 204,303.78, 281,941.38 and 112,424.28 is: 155,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,303.78 : 281,941.38 = 112,424.28 : x
  2. Step 2: Convert to fraction form
    204,303.78/281,941.38 = 112,424.28/x
  3. Step 3: Cross multiply
    204,303.78x = 281,941.38 × 112,424.28
  4. Step 4: Simplify right side
    204,303.78x = 31,697,056,648.71
  5. Step 5: Solve for x
    x = 31,697,056,648.71/204,303.78
  6. Step 6: Final answer
    x = 155,146.70

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1.5x scale

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.