Home / 143,742.83-215,655.84-59,487.44

Finding the Fourth Proportional to 143,742.83, 215,655.84 and 59,487.44

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Solution

The fourth proportional to 143,742.83, 215,655.84 and 59,487.44 is: 89,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,742.83 : 215,655.84 = 59,487.44 : x
  2. Step 2: Convert to fraction form
    143,742.83/215,655.84 = 59,487.44/x
  3. Step 3: Cross multiply
    143,742.83x = 215,655.84 × 59,487.44
  4. Step 4: Simplify right side
    143,742.83x = 12,828,812,764.37
  5. Step 5: Solve for x
    x = 12,828,812,764.37/143,742.83
  6. Step 6: Final answer
    x = 89,248.37

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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.