Home / 216,085.28-298,189.86-119,287.06

Finding the Fourth Proportional to 216,085.28, 298,189.86 and 119,287.06

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Solution

The fourth proportional to 216,085.28, 298,189.86 and 119,287.06 is: 164,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,085.28 : 298,189.86 = 119,287.06 : x
  2. Step 2: Convert to fraction form
    216,085.28/298,189.86 = 119,287.06/x
  3. Step 3: Cross multiply
    216,085.28x = 298,189.86 × 119,287.06
  4. Step 4: Simplify right side
    216,085.28x = 35,570,191,721.21
  5. Step 5: Solve for x
    x = 35,570,191,721.21/216,085.28
  6. Step 6: Final answer
    x = 164,611.82

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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.