Home / 252,431.52-348,356.64-139,254.24

Finding the Fourth Proportional to 252,431.52, 348,356.64 and 139,254.24

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Solution

The fourth proportional to 252,431.52, 348,356.64 and 139,254.24 is: 192,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,431.52 : 348,356.64 = 139,254.24 : x
  2. Step 2: Convert to fraction form
    252,431.52/348,356.64 = 139,254.24/x
  3. Step 3: Cross multiply
    252,431.52x = 348,356.64 × 139,254.24
  4. Step 4: Simplify right side
    252,431.52x = 48,510,139,152.15
  5. Step 5: Solve for x
    x = 48,510,139,152.15/252,431.52
  6. Step 6: Final answer
    x = 192,171.48

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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.