Home / 192,258.24-287,819.40-142,004.64

Finding the Fourth Proportional to 192,258.24, 287,819.40 and 142,004.64

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Solution

The fourth proportional to 192,258.24, 287,819.40 and 142,004.64 is: 212,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,258.24 : 287,819.40 = 142,004.64 : x
  2. Step 2: Convert to fraction form
    192,258.24/287,819.40 = 142,004.64/x
  3. Step 3: Cross multiply
    192,258.24x = 287,819.40 × 142,004.64
  4. Step 4: Simplify right side
    192,258.24x = 40,871,690,282.02
  5. Step 5: Solve for x
    x = 40,871,690,282.02/192,258.24
  6. Step 6: Final answer
    x = 212,587.46

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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.