Home / 140,064.51-209,203.61-126,716.93

Finding the Fourth Proportional to 140,064.51, 209,203.61 and 126,716.93

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Solution

The fourth proportional to 140,064.51, 209,203.61 and 126,716.93 is: 189,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,064.51 : 209,203.61 = 126,716.93 : x
  2. Step 2: Convert to fraction form
    140,064.51/209,203.61 = 126,716.93/x
  3. Step 3: Cross multiply
    140,064.51x = 209,203.61 × 126,716.93
  4. Step 4: Simplify right side
    140,064.51x = 26,509,639,204.12
  5. Step 5: Solve for x
    x = 26,509,639,204.12/140,064.51
  6. Step 6: Final answer
    x = 189,267.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.