Home / 120,825.60-181,281.60-50,726.40

Finding the Fourth Proportional to 120,825.60, 181,281.60 and 50,726.40

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Solution

The fourth proportional to 120,825.60, 181,281.60 and 50,726.40 is: 76,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,825.60 : 181,281.60 = 50,726.40 : x
  2. Step 2: Convert to fraction form
    120,825.60/181,281.60 = 50,726.40/x
  3. Step 3: Cross multiply
    120,825.60x = 181,281.60 × 50,726.40
  4. Step 4: Simplify right side
    120,825.60x = 9,195,762,954.24
  5. Step 5: Solve for x
    x = 9,195,762,954.24/120,825.60
  6. Step 6: Final answer
    x = 76,107.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.