Home / 108,971.74-163,467.02-30,085.98

Finding the Fourth Proportional to 108,971.74, 163,467.02 and 30,085.98

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Solution

The fourth proportional to 108,971.74, 163,467.02 and 30,085.98 is: 45,131.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,971.74 : 163,467.02 = 30,085.98 : x
  2. Step 2: Convert to fraction form
    108,971.74/163,467.02 = 30,085.98/x
  3. Step 3: Cross multiply
    108,971.74x = 163,467.02 × 30,085.98
  4. Step 4: Simplify right side
    108,971.74x = 4,918,065,494.38
  5. Step 5: Solve for x
    x = 4,918,065,494.38/108,971.74
  6. Step 6: Final answer
    x = 45,131.57

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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.