Home / 145,414.92-201,482.28-142,265.64

Finding the Fourth Proportional to 145,414.92, 201,482.28 and 142,265.64

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Solution

The fourth proportional to 145,414.92, 201,482.28 and 142,265.64 is: 197,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,414.92 : 201,482.28 = 142,265.64 : x
  2. Step 2: Convert to fraction form
    145,414.92/201,482.28 = 142,265.64/x
  3. Step 3: Cross multiply
    145,414.92x = 201,482.28 × 142,265.64
  4. Step 4: Simplify right side
    145,414.92x = 28,664,005,512.86
  5. Step 5: Solve for x
    x = 28,664,005,512.86/145,414.92
  6. Step 6: Final answer
    x = 197,118.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.