Home / 226,120.23-312,022.80-130,657.68

Finding the Fourth Proportional to 226,120.23, 312,022.80 and 130,657.68

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Solution

The fourth proportional to 226,120.23, 312,022.80 and 130,657.68 is: 180,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,120.23 : 312,022.80 = 130,657.68 : x
  2. Step 2: Convert to fraction form
    226,120.23/312,022.80 = 130,657.68/x
  3. Step 3: Cross multiply
    226,120.23x = 312,022.80 × 130,657.68
  4. Step 4: Simplify right side
    226,120.23x = 40,768,175,155.10
  5. Step 5: Solve for x
    x = 40,768,175,155.10/226,120.23
  6. Step 6: Final answer
    x = 180,294.24

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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.