Home / 123,603.93-185,215.07-83,465.61

Finding the Fourth Proportional to 123,603.93, 185,215.07 and 83,465.61

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Solution

The fourth proportional to 123,603.93, 185,215.07 and 83,465.61 is: 125,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,603.93 : 185,215.07 = 83,465.61 : x
  2. Step 2: Convert to fraction form
    123,603.93/185,215.07 = 83,465.61/x
  3. Step 3: Cross multiply
    123,603.93x = 185,215.07 × 83,465.61
  4. Step 4: Simplify right side
    123,603.93x = 15,459,088,798.74
  5. Step 5: Solve for x
    x = 15,459,088,798.74/123,603.93
  6. Step 6: Final answer
    x = 125,069.56

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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.