Home / 216,031.55-298,140.35-120,552.57

Finding the Fourth Proportional to 216,031.55, 298,140.35 and 120,552.57

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Solution

The fourth proportional to 216,031.55, 298,140.35 and 120,552.57 is: 166,371.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,031.55 : 298,140.35 = 120,552.57 : x
  2. Step 2: Convert to fraction form
    216,031.55/298,140.35 = 120,552.57/x
  3. Step 3: Cross multiply
    216,031.55x = 298,140.35 × 120,552.57
  4. Step 4: Simplify right side
    216,031.55x = 35,941,584,810.44
  5. Step 5: Solve for x
    x = 35,941,584,810.44/216,031.55
  6. Step 6: Final answer
    x = 166,371.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.