Home / 163,421.76-245,163.54-56,801.70

Finding the Fourth Proportional to 163,421.76, 245,163.54 and 56,801.70

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Solution

The fourth proportional to 163,421.76, 245,163.54 and 56,801.70 is: 85,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,421.76 : 245,163.54 = 56,801.70 : x
  2. Step 2: Convert to fraction form
    163,421.76/245,163.54 = 56,801.70/x
  3. Step 3: Cross multiply
    163,421.76x = 245,163.54 × 56,801.70
  4. Step 4: Simplify right side
    163,421.76x = 13,925,705,850.02
  5. Step 5: Solve for x
    x = 13,925,705,850.02/163,421.76
  6. Step 6: Final answer
    x = 85,213.29

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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.