Home / 143,484.68-215,181.36-52,288.74

Finding the Fourth Proportional to 143,484.68, 215,181.36 and 52,288.74

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Solution

The fourth proportional to 143,484.68, 215,181.36 and 52,288.74 is: 78,416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,484.68 : 215,181.36 = 52,288.74 : x
  2. Step 2: Convert to fraction form
    143,484.68/215,181.36 = 52,288.74/x
  3. Step 3: Cross multiply
    143,484.68x = 215,181.36 × 52,288.74
  4. Step 4: Simplify right side
    143,484.68x = 11,251,562,185.89
  5. Step 5: Solve for x
    x = 11,251,562,185.89/143,484.68
  6. Step 6: Final answer
    x = 78,416.47

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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.