Home / 216,150.34-298,292.51-135,581.26

Finding the Fourth Proportional to 216,150.34, 298,292.51 and 135,581.26

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Solution

The fourth proportional to 216,150.34, 298,292.51 and 135,581.26 is: 187,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,150.34 : 298,292.51 = 135,581.26 : x
  2. Step 2: Convert to fraction form
    216,150.34/298,292.51 = 135,581.26/x
  3. Step 3: Cross multiply
    216,150.34x = 298,292.51 × 135,581.26
  4. Step 4: Simplify right side
    216,150.34x = 40,442,874,354.36
  5. Step 5: Solve for x
    x = 40,442,874,354.36/216,150.34
  6. Step 6: Final answer
    x = 187,105.30

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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.