Home / 143,298.25-197,780.79-98,101.15

Finding the Fourth Proportional to 143,298.25, 197,780.79 and 98,101.15

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Solution

The fourth proportional to 143,298.25, 197,780.79 and 98,101.15 is: 135,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,298.25 : 197,780.79 = 98,101.15 : x
  2. Step 2: Convert to fraction form
    143,298.25/197,780.79 = 98,101.15/x
  3. Step 3: Cross multiply
    143,298.25x = 197,780.79 × 98,101.15
  4. Step 4: Simplify right side
    143,298.25x = 19,402,522,946.91
  5. Step 5: Solve for x
    x = 19,402,522,946.91/143,298.25
  6. Step 6: Final answer
    x = 135,399.58

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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.