Home / 143,719.25-215,484.98-68,836.97

Finding the Fourth Proportional to 143,719.25, 215,484.98 and 68,836.97

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Solution

The fourth proportional to 143,719.25, 215,484.98 and 68,836.97 is: 103,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,719.25 : 215,484.98 = 68,836.97 : x
  2. Step 2: Convert to fraction form
    143,719.25/215,484.98 = 68,836.97/x
  3. Step 3: Cross multiply
    143,719.25x = 215,484.98 × 68,836.97
  4. Step 4: Simplify right side
    143,719.25x = 14,833,333,298.24
  5. Step 5: Solve for x
    x = 14,833,333,298.24/143,719.25
  6. Step 6: Final answer
    x = 103,210.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.