Home / 540,112.32-810,147.60-135,303.84

Finding the Fourth Proportional to 540,112.32, 810,147.60 and 135,303.84

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Solution

The fourth proportional to 540,112.32, 810,147.60 and 135,303.84 is: 202,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,112.32 : 810,147.60 = 135,303.84 : x
  2. Step 2: Convert to fraction form
    540,112.32/810,147.60 = 135,303.84/x
  3. Step 3: Cross multiply
    540,112.32x = 810,147.60 × 135,303.84
  4. Step 4: Simplify right side
    540,112.32x = 109,616,081,246.78
  5. Step 5: Solve for x
    x = 109,616,081,246.78/540,112.32
  6. Step 6: Final answer
    x = 202,950.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.