Home / 145,568.88-218,223.47-56,801.75

Finding the Fourth Proportional to 145,568.88, 218,223.47 and 56,801.75

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Solution

The fourth proportional to 145,568.88, 218,223.47 and 56,801.75 is: 85,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,568.88 : 218,223.47 = 56,801.75 : x
  2. Step 2: Convert to fraction form
    145,568.88/218,223.47 = 56,801.75/x
  3. Step 3: Cross multiply
    145,568.88x = 218,223.47 × 56,801.75
  4. Step 4: Simplify right side
    145,568.88x = 12,395,473,611.95
  5. Step 5: Solve for x
    x = 12,395,473,611.95/145,568.88
  6. Step 6: Final answer
    x = 85,151.95

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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.