Home / 216,441.55-298,688.85-120,948.26

Finding the Fourth Proportional to 216,441.55, 298,688.85 and 120,948.26

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Solution

The fourth proportional to 216,441.55, 298,688.85 and 120,948.26 is: 166,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,441.55 : 298,688.85 = 120,948.26 : x
  2. Step 2: Convert to fraction form
    216,441.55/298,688.85 = 120,948.26/x
  3. Step 3: Cross multiply
    216,441.55x = 298,688.85 × 120,948.26
  4. Step 4: Simplify right side
    216,441.55x = 36,125,895,195.46
  5. Step 5: Solve for x
    x = 36,125,895,195.46/216,441.55
  6. Step 6: Final answer
    x = 166,908.32

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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.