Home / 119,190.48-178,785.72-30,444.18

Finding the Fourth Proportional to 119,190.48, 178,785.72 and 30,444.18

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Solution

The fourth proportional to 119,190.48, 178,785.72 and 30,444.18 is: 45,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,190.48 : 178,785.72 = 30,444.18 : x
  2. Step 2: Convert to fraction form
    119,190.48/178,785.72 = 30,444.18/x
  3. Step 3: Cross multiply
    119,190.48x = 178,785.72 × 30,444.18
  4. Step 4: Simplify right side
    119,190.48x = 5,442,984,641.11
  5. Step 5: Solve for x
    x = 5,442,984,641.11/119,190.48
  6. Step 6: Final answer
    x = 45,666.27

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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.