Home / 75,156.03-112,810.02-66,663.18

Finding the Fourth Proportional to 75,156.03, 112,810.02 and 66,663.18

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Solution

The fourth proportional to 75,156.03, 112,810.02 and 66,663.18 is: 100,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,156.03 : 112,810.02 = 66,663.18 : x
  2. Step 2: Convert to fraction form
    75,156.03/112,810.02 = 66,663.18/x
  3. Step 3: Cross multiply
    75,156.03x = 112,810.02 × 66,663.18
  4. Step 4: Simplify right side
    75,156.03x = 7,520,274,669.06
  5. Step 5: Solve for x
    x = 7,520,274,669.06/75,156.03
  6. Step 6: Final answer
    x = 100,062.16

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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.