Home / 216,275.06-298,456.44-120,783.08

Finding the Fourth Proportional to 216,275.06, 298,456.44 and 120,783.08

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Solution

The fourth proportional to 216,275.06, 298,456.44 and 120,783.08 is: 166,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,275.06 : 298,456.44 = 120,783.08 : x
  2. Step 2: Convert to fraction form
    216,275.06/298,456.44 = 120,783.08/x
  3. Step 3: Cross multiply
    216,275.06x = 298,456.44 × 120,783.08
  4. Step 4: Simplify right side
    216,275.06x = 36,048,488,069.04
  5. Step 5: Solve for x
    x = 36,048,488,069.04/216,275.06
  6. Step 6: Final answer
    x = 166,678.90

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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.