Home / 216,206.76-298,362.54-120,715.08

Finding the Fourth Proportional to 216,206.76, 298,362.54 and 120,715.08

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Solution

The fourth proportional to 216,206.76, 298,362.54 and 120,715.08 is: 166,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,206.76 : 298,362.54 = 120,715.08 : x
  2. Step 2: Convert to fraction form
    216,206.76/298,362.54 = 120,715.08/x
  3. Step 3: Cross multiply
    216,206.76x = 298,362.54 × 120,715.08
  4. Step 4: Simplify right side
    216,206.76x = 36,016,857,885.10
  5. Step 5: Solve for x
    x = 36,016,857,885.10/216,206.76
  6. Step 6: Final answer
    x = 166,585.25

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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.