Home / 133,071.10-199,315.05-70,668.70

Finding the Fourth Proportional to 133,071.10, 199,315.05 and 70,668.70

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Solution

The fourth proportional to 133,071.10, 199,315.05 and 70,668.70 is: 105,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,071.10 : 199,315.05 = 70,668.70 : x
  2. Step 2: Convert to fraction form
    133,071.10/199,315.05 = 70,668.70/x
  3. Step 3: Cross multiply
    133,071.10x = 199,315.05 × 70,668.70
  4. Step 4: Simplify right side
    133,071.10x = 14,085,335,473.94
  5. Step 5: Solve for x
    x = 14,085,335,473.94/133,071.10
  6. Step 6: Final answer
    x = 105,848.19

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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.