Home / 123,927.68-171,020.77-70,223.17

Finding the Fourth Proportional to 123,927.68, 171,020.77 and 70,223.17

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Solution

The fourth proportional to 123,927.68, 171,020.77 and 70,223.17 is: 96,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,927.68 : 171,020.77 = 70,223.17 : x
  2. Step 2: Convert to fraction form
    123,927.68/171,020.77 = 70,223.17/x
  3. Step 3: Cross multiply
    123,927.68x = 171,020.77 × 70,223.17
  4. Step 4: Simplify right side
    123,927.68x = 12,009,620,605.24
  5. Step 5: Solve for x
    x = 12,009,620,605.24/123,927.68
  6. Step 6: Final answer
    x = 96,908.30

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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.