Home / 134,281.39-185,309.57-73,028.15

Finding the Fourth Proportional to 134,281.39, 185,309.57 and 73,028.15

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Solution

The fourth proportional to 134,281.39, 185,309.57 and 73,028.15 is: 100,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,281.39 : 185,309.57 = 73,028.15 : x
  2. Step 2: Convert to fraction form
    134,281.39/185,309.57 = 73,028.15/x
  3. Step 3: Cross multiply
    134,281.39x = 185,309.57 × 73,028.15
  4. Step 4: Simplify right side
    134,281.39x = 13,532,814,330.42
  5. Step 5: Solve for x
    x = 13,532,814,330.42/134,281.39
  6. Step 6: Final answer
    x = 100,779.52

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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.