Home / 119,025.45-178,535.40-30,279.01

Finding the Fourth Proportional to 119,025.45, 178,535.40 and 30,279.01

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Solution

The fourth proportional to 119,025.45, 178,535.40 and 30,279.01 is: 45,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,025.45 : 178,535.40 = 30,279.01 : x
  2. Step 2: Convert to fraction form
    119,025.45/178,535.40 = 30,279.01/x
  3. Step 3: Cross multiply
    119,025.45x = 178,535.40 × 30,279.01
  4. Step 4: Simplify right side
    119,025.45x = 5,405,875,161.95
  5. Step 5: Solve for x
    x = 5,405,875,161.95/119,025.45
  6. Step 6: Final answer
    x = 45,417.81

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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.