Home / 143,163.04-197,335.20-97,208.32

Finding the Fourth Proportional to 143,163.04, 197,335.20 and 97,208.32

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Solution

The fourth proportional to 143,163.04, 197,335.20 and 97,208.32 is: 133,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,163.04 : 197,335.20 = 97,208.32 : x
  2. Step 2: Convert to fraction form
    143,163.04/197,335.20 = 97,208.32/x
  3. Step 3: Cross multiply
    143,163.04x = 197,335.20 × 97,208.32
  4. Step 4: Simplify right side
    143,163.04x = 19,182,623,268.86
  5. Step 5: Solve for x
    x = 19,182,623,268.86/143,163.04
  6. Step 6: Final answer
    x = 133,991.45

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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.