Home / 180,129.40-248,591.44-99,555.19

Finding the Fourth Proportional to 180,129.40, 248,591.44 and 99,555.19

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Solution

The fourth proportional to 180,129.40, 248,591.44 and 99,555.19 is: 137,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,129.40 : 248,591.44 = 99,555.19 : x
  2. Step 2: Convert to fraction form
    180,129.40/248,591.44 = 99,555.19/x
  3. Step 3: Cross multiply
    180,129.40x = 248,591.44 × 99,555.19
  4. Step 4: Simplify right side
    180,129.40x = 24,748,568,041.57
  5. Step 5: Solve for x
    x = 24,748,568,041.57/180,129.40
  6. Step 6: Final answer
    x = 137,393.27

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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.