Home / 164,030.49-246,045.69-126,645.21

Finding the Fourth Proportional to 164,030.49, 246,045.69 and 126,645.21

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Solution

The fourth proportional to 164,030.49, 246,045.69 and 126,645.21 is: 189,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,030.49 : 246,045.69 = 126,645.21 : x
  2. Step 2: Convert to fraction form
    164,030.49/246,045.69 = 126,645.21/x
  3. Step 3: Cross multiply
    164,030.49x = 246,045.69 × 126,645.21
  4. Step 4: Simplify right side
    164,030.49x = 31,160,508,079.64
  5. Step 5: Solve for x
    x = 31,160,508,079.64/164,030.49
  6. Step 6: Final answer
    x = 189,967.78

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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.