Home / 165,515.81-248,245.91-47,159.01

Finding the Fourth Proportional to 165,515.81, 248,245.91 and 47,159.01

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Solution

The fourth proportional to 165,515.81, 248,245.91 and 47,159.01 is: 70,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,515.81 : 248,245.91 = 47,159.01 : x
  2. Step 2: Convert to fraction form
    165,515.81/248,245.91 = 47,159.01/x
  3. Step 3: Cross multiply
    165,515.81x = 248,245.91 × 47,159.01
  4. Step 4: Simplify right side
    165,515.81x = 11,707,031,558.47
  5. Step 5: Solve for x
    x = 11,707,031,558.47/165,515.81
  6. Step 6: Final answer
    x = 70,730.60

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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.