Home / 145,226.94-200,435.43-88,671.42

Finding the Fourth Proportional to 145,226.94, 200,435.43 and 88,671.42

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Solution

The fourth proportional to 145,226.94, 200,435.43 and 88,671.42 is: 122,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,226.94 : 200,435.43 = 88,671.42 : x
  2. Step 2: Convert to fraction form
    145,226.94/200,435.43 = 88,671.42/x
  3. Step 3: Cross multiply
    145,226.94x = 200,435.43 × 88,671.42
  4. Step 4: Simplify right side
    145,226.94x = 17,772,894,196.41
  5. Step 5: Solve for x
    x = 17,772,894,196.41/145,226.94
  6. Step 6: Final answer
    x = 122,380.15

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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.