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Finding the Fourth Proportional to 143,358.10, 215,037.15 and 73,374.10

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Solution

The fourth proportional to 143,358.10, 215,037.15 and 73,374.10 is: 110,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,358.10 : 215,037.15 = 73,374.10 : x
  2. Step 2: Convert to fraction form
    143,358.10/215,037.15 = 73,374.10/x
  3. Step 3: Cross multiply
    143,358.10x = 215,037.15 × 73,374.10
  4. Step 4: Simplify right side
    143,358.10x = 15,778,157,347.82
  5. Step 5: Solve for x
    x = 15,778,157,347.82/143,358.10
  6. Step 6: Final answer
    x = 110,061.15

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