Home / 120,426.34-180,645.27-58,149.22

Finding the Fourth Proportional to 120,426.34, 180,645.27 and 58,149.22

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Solution

The fourth proportional to 120,426.34, 180,645.27 and 58,149.22 is: 87,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,426.34 : 180,645.27 = 58,149.22 : x
  2. Step 2: Convert to fraction form
    120,426.34/180,645.27 = 58,149.22/x
  3. Step 3: Cross multiply
    120,426.34x = 180,645.27 × 58,149.22
  4. Step 4: Simplify right side
    120,426.34x = 10,504,381,547.19
  5. Step 5: Solve for x
    x = 10,504,381,547.19/120,426.34
  6. Step 6: Final answer
    x = 87,226.61

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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.