Home / 123,496.12-170,424.81-66,907.49

Finding the Fourth Proportional to 123,496.12, 170,424.81 and 66,907.49

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Solution

The fourth proportional to 123,496.12, 170,424.81 and 66,907.49 is: 92,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,496.12 : 170,424.81 = 66,907.49 : x
  2. Step 2: Convert to fraction form
    123,496.12/170,424.81 = 66,907.49/x
  3. Step 3: Cross multiply
    123,496.12x = 170,424.81 × 66,907.49
  4. Step 4: Simplify right side
    123,496.12x = 11,402,696,696.89
  5. Step 5: Solve for x
    x = 11,402,696,696.89/123,496.12
  6. Step 6: Final answer
    x = 92,332.43

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1.5x scale

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.