Home / 119,620.05-179,430.27-112,312.74

Finding the Fourth Proportional to 119,620.05, 179,430.27 and 112,312.74

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Solution

The fourth proportional to 119,620.05, 179,430.27 and 112,312.74 is: 168,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,620.05 : 179,430.27 = 112,312.74 : x
  2. Step 2: Convert to fraction form
    119,620.05/179,430.27 = 112,312.74/x
  3. Step 3: Cross multiply
    119,620.05x = 179,430.27 × 112,312.74
  4. Step 4: Simplify right side
    119,620.05x = 20,152,305,262.64
  5. Step 5: Solve for x
    x = 20,152,305,262.64/119,620.05
  6. Step 6: Final answer
    x = 168,469.29

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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.