Home / 143,225.74-197,657.13-97,998.58

Finding the Fourth Proportional to 143,225.74, 197,657.13 and 97,998.58

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Solution

The fourth proportional to 143,225.74, 197,657.13 and 97,998.58 is: 135,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.74 : 197,657.13 = 97,998.58 : x
  2. Step 2: Convert to fraction form
    143,225.74/197,657.13 = 97,998.58/x
  3. Step 3: Cross multiply
    143,225.74x = 197,657.13 × 97,998.58
  4. Step 4: Simplify right side
    143,225.74x = 19,370,118,066.88
  5. Step 5: Solve for x
    x = 19,370,118,066.88/143,225.74
  6. Step 6: Final answer
    x = 135,241.88

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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.