Home / 143,489.58-215,271.36-59,262.74

Finding the Fourth Proportional to 143,489.58, 215,271.36 and 59,262.74

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Solution

The fourth proportional to 143,489.58, 215,271.36 and 59,262.74 is: 88,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,489.58 : 215,271.36 = 59,262.74 : x
  2. Step 2: Convert to fraction form
    143,489.58/215,271.36 = 59,262.74/x
  3. Step 3: Cross multiply
    143,489.58x = 215,271.36 × 59,262.74
  4. Step 4: Simplify right side
    143,489.58x = 12,757,570,637.13
  5. Step 5: Solve for x
    x = 12,757,570,637.13/143,489.58
  6. Step 6: Final answer
    x = 88,909.39

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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.