Home / 145,923.40-201,374.29-82,261.20

Finding the Fourth Proportional to 145,923.40, 201,374.29 and 82,261.20

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Solution

The fourth proportional to 145,923.40, 201,374.29 and 82,261.20 is: 113,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,923.40 : 201,374.29 = 82,261.20 : x
  2. Step 2: Convert to fraction form
    145,923.40/201,374.29 = 82,261.20/x
  3. Step 3: Cross multiply
    145,923.40x = 201,374.29 × 82,261.20
  4. Step 4: Simplify right side
    145,923.40x = 16,565,289,787.75
  5. Step 5: Solve for x
    x = 16,565,289,787.75/145,923.40
  6. Step 6: Final answer
    x = 113,520.45

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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.