Home / 123,577.47-170,537.13-66,988.98

Finding the Fourth Proportional to 123,577.47, 170,537.13 and 66,988.98

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Solution

The fourth proportional to 123,577.47, 170,537.13 and 66,988.98 is: 92,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,577.47 : 170,537.13 = 66,988.98 : x
  2. Step 2: Convert to fraction form
    123,577.47/170,537.13 = 66,988.98/x
  3. Step 3: Cross multiply
    123,577.47x = 170,537.13 × 66,988.98
  4. Step 4: Simplify right side
    123,577.47x = 11,424,108,390.83
  5. Step 5: Solve for x
    x = 11,424,108,390.83/123,577.47
  6. Step 6: Final answer
    x = 92,444.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.