Home / 143,292.60-197,611.65-97,421.22

Finding the Fourth Proportional to 143,292.60, 197,611.65 and 97,421.22

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Solution

The fourth proportional to 143,292.60, 197,611.65 and 97,421.22 is: 134,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,292.60 : 197,611.65 = 97,421.22 : x
  2. Step 2: Convert to fraction form
    143,292.60/197,611.65 = 97,421.22/x
  3. Step 3: Cross multiply
    143,292.60x = 197,611.65 × 97,421.22
  4. Step 4: Simplify right side
    143,292.60x = 19,251,568,029.21
  5. Step 5: Solve for x
    x = 19,251,568,029.21/143,292.60
  6. Step 6: Final answer
    x = 134,351.45

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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.