Home / 145,411.14-218,074.56-56,644.86

Finding the Fourth Proportional to 145,411.14, 218,074.56 and 56,644.86

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Solution

The fourth proportional to 145,411.14, 218,074.56 and 56,644.86 is: 84,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,411.14 : 218,074.56 = 56,644.86 : x
  2. Step 2: Convert to fraction form
    145,411.14/218,074.56 = 56,644.86/x
  3. Step 3: Cross multiply
    145,411.14x = 218,074.56 × 56,644.86
  4. Step 4: Simplify right side
    145,411.14x = 12,352,802,920.76
  5. Step 5: Solve for x
    x = 12,352,802,920.76/145,411.14
  6. Step 6: Final answer
    x = 84,950.87

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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.