Home / 142,004.40-212,925.60-53,260.80

Finding the Fourth Proportional to 142,004.40, 212,925.60 and 53,260.80

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Solution

The fourth proportional to 142,004.40, 212,925.60 and 53,260.80 is: 79,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,004.40 : 212,925.60 = 53,260.80 : x
  2. Step 2: Convert to fraction form
    142,004.40/212,925.60 = 53,260.80/x
  3. Step 3: Cross multiply
    142,004.40x = 212,925.60 × 53,260.80
  4. Step 4: Simplify right side
    142,004.40x = 11,340,587,796.48
  5. Step 5: Solve for x
    x = 11,340,587,796.48/142,004.40
  6. Step 6: Final answer
    x = 79,860.82

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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.