Home / 252,205.44-348,039.36-139,038.72

Finding the Fourth Proportional to 252,205.44, 348,039.36 and 139,038.72

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Solution

The fourth proportional to 252,205.44, 348,039.36 and 139,038.72 is: 191,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,205.44 : 348,039.36 = 139,038.72 : x
  2. Step 2: Convert to fraction form
    252,205.44/348,039.36 = 139,038.72/x
  3. Step 3: Cross multiply
    252,205.44x = 348,039.36 × 139,038.72
  4. Step 4: Simplify right side
    252,205.44x = 48,390,947,124.02
  5. Step 5: Solve for x
    x = 48,390,947,124.02/252,205.44
  6. Step 6: Final answer
    x = 191,871.15

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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.