Home / 74,197.22-111,340.98-42,646.91

Finding the Fourth Proportional to 74,197.22, 111,340.98 and 42,646.91

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Solution

The fourth proportional to 74,197.22, 111,340.98 and 42,646.91 is: 63,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,197.22 : 111,340.98 = 42,646.91 : x
  2. Step 2: Convert to fraction form
    74,197.22/111,340.98 = 42,646.91/x
  3. Step 3: Cross multiply
    74,197.22x = 111,340.98 × 42,646.91
  4. Step 4: Simplify right side
    74,197.22x = 4,748,348,196.67
  5. Step 5: Solve for x
    x = 4,748,348,196.67/74,197.22
  6. Step 6: Final answer
    x = 63,996.31

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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.