Home / 142,953.60-214,269.84-67,089.36

Finding the Fourth Proportional to 142,953.60, 214,269.84 and 67,089.36

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Solution

The fourth proportional to 142,953.60, 214,269.84 and 67,089.36 is: 100,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,953.60 : 214,269.84 = 67,089.36 : x
  2. Step 2: Convert to fraction form
    142,953.60/214,269.84 = 67,089.36/x
  3. Step 3: Cross multiply
    142,953.60x = 214,269.84 × 67,089.36
  4. Step 4: Simplify right side
    142,953.60x = 14,375,226,432.90
  5. Step 5: Solve for x
    x = 14,375,226,432.90/142,953.60
  6. Step 6: Final answer
    x = 100,558.69

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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.