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Finding the Fourth Proportional to 110,016.51, 165,031.13 and 31,124.13

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Solution

The fourth proportional to 110,016.51, 165,031.13 and 31,124.13 is: 46,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,016.51 : 165,031.13 = 31,124.13 : x
  2. Step 2: Convert to fraction form
    110,016.51/165,031.13 = 31,124.13/x
  3. Step 3: Cross multiply
    110,016.51x = 165,031.13 × 31,124.13
  4. Step 4: Simplify right side
    110,016.51x = 5,136,450,344.17
  5. Step 5: Solve for x
    x = 5,136,450,344.17/110,016.51
  6. Step 6: Final answer
    x = 46,688.00

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1.5x scale

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.