Home / 163,814.50-245,780.88-57,214.15

Finding the Fourth Proportional to 163,814.50, 245,780.88 and 57,214.15

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Solution

The fourth proportional to 163,814.50, 245,780.88 and 57,214.15 is: 85,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,814.50 : 245,780.88 = 57,214.15 : x
  2. Step 2: Convert to fraction form
    163,814.50/245,780.88 = 57,214.15/x
  3. Step 3: Cross multiply
    163,814.50x = 245,780.88 × 57,214.15
  4. Step 4: Simplify right side
    163,814.50x = 14,062,144,135.45
  5. Step 5: Solve for x
    x = 14,062,144,135.45/163,814.50
  6. Step 6: Final answer
    x = 85,841.88

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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.