Home / 112,031.48-167,988.90-33,135.06

Finding the Fourth Proportional to 112,031.48, 167,988.90 and 33,135.06

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Solution

The fourth proportional to 112,031.48, 167,988.90 and 33,135.06 is: 49,685.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,031.48 : 167,988.90 = 33,135.06 : x
  2. Step 2: Convert to fraction form
    112,031.48/167,988.90 = 33,135.06/x
  3. Step 3: Cross multiply
    112,031.48x = 167,988.90 × 33,135.06
  4. Step 4: Simplify right side
    112,031.48x = 5,566,322,280.83
  5. Step 5: Solve for x
    x = 5,566,322,280.83/112,031.48
  6. Step 6: Final answer
    x = 49,685.34

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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.