Home / 120,085.59-180,031.17-50,017.35

Finding the Fourth Proportional to 120,085.59, 180,031.17 and 50,017.35

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Solution

The fourth proportional to 120,085.59, 180,031.17 and 50,017.35 is: 74,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,085.59 : 180,031.17 = 50,017.35 : x
  2. Step 2: Convert to fraction form
    120,085.59/180,031.17 = 50,017.35/x
  3. Step 3: Cross multiply
    120,085.59x = 180,031.17 × 50,017.35
  4. Step 4: Simplify right side
    120,085.59x = 9,004,682,040.80
  5. Step 5: Solve for x
    x = 9,004,682,040.80/120,085.59
  6. Step 6: Final answer
    x = 74,985.53

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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.