Home / 180,394.21-270,547.57-75,155.77

Finding the Fourth Proportional to 180,394.21, 270,547.57 and 75,155.77

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Solution

The fourth proportional to 180,394.21, 270,547.57 and 75,155.77 is: 112,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,394.21 : 270,547.57 = 75,155.77 : x
  2. Step 2: Convert to fraction form
    180,394.21/270,547.57 = 75,155.77/x
  3. Step 3: Cross multiply
    180,394.21x = 270,547.57 × 75,155.77
  4. Step 4: Simplify right side
    180,394.21x = 20,333,210,944.98
  5. Step 5: Solve for x
    x = 20,333,210,944.98/180,394.21
  6. Step 6: Final answer
    x = 112,715.43

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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.