Home / 79,417.16-119,126.62-20,253.32

Finding the Fourth Proportional to 79,417.16, 119,126.62 and 20,253.32

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Solution

The fourth proportional to 79,417.16, 119,126.62 and 20,253.32 is: 30,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,417.16 : 119,126.62 = 20,253.32 : x
  2. Step 2: Convert to fraction form
    79,417.16/119,126.62 = 20,253.32/x
  3. Step 3: Cross multiply
    79,417.16x = 119,126.62 × 20,253.32
  4. Step 4: Simplify right side
    79,417.16x = 2,412,709,555.38
  5. Step 5: Solve for x
    x = 2,412,709,555.38/79,417.16
  6. Step 6: Final answer
    x = 30,380.20

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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.