Home / 119,254.45-178,887.80-30,508.72

Finding the Fourth Proportional to 119,254.45, 178,887.80 and 30,508.72

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Solution

The fourth proportional to 119,254.45, 178,887.80 and 30,508.72 is: 45,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,254.45 : 178,887.80 = 30,508.72 : x
  2. Step 2: Convert to fraction form
    119,254.45/178,887.80 = 30,508.72/x
  3. Step 3: Cross multiply
    119,254.45x = 178,887.80 × 30,508.72
  4. Step 4: Simplify right side
    119,254.45x = 5,457,637,801.62
  5. Step 5: Solve for x
    x = 5,457,637,801.62/119,254.45
  6. Step 6: Final answer
    x = 45,764.65

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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.