Home / 143,840.36-198,465.18-92,842.29

Finding the Fourth Proportional to 143,840.36, 198,465.18 and 92,842.29

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Solution

The fourth proportional to 143,840.36, 198,465.18 and 92,842.29 is: 128,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,840.36 : 198,465.18 = 92,842.29 : x
  2. Step 2: Convert to fraction form
    143,840.36/198,465.18 = 92,842.29/x
  3. Step 3: Cross multiply
    143,840.36x = 198,465.18 × 92,842.29
  4. Step 4: Simplify right side
    143,840.36x = 18,425,961,796.46
  5. Step 5: Solve for x
    x = 18,425,961,796.46/143,840.36
  6. Step 6: Final answer
    x = 128,100.08

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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.