Home / 125,836.06-173,661.24-72,124.55

Finding the Fourth Proportional to 125,836.06, 173,661.24 and 72,124.55

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Solution

The fourth proportional to 125,836.06, 173,661.24 and 72,124.55 is: 99,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,836.06 : 173,661.24 = 72,124.55 : x
  2. Step 2: Convert to fraction form
    125,836.06/173,661.24 = 72,124.55/x
  3. Step 3: Cross multiply
    125,836.06x = 173,661.24 × 72,124.55
  4. Step 4: Simplify right side
    125,836.06x = 12,525,239,126.40
  5. Step 5: Solve for x
    x = 12,525,239,126.40/125,836.06
  6. Step 6: Final answer
    x = 99,536.17

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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.