Home / 191,622.48-264,447.20-106,739.60

Finding the Fourth Proportional to 191,622.48, 264,447.20 and 106,739.60

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Solution

The fourth proportional to 191,622.48, 264,447.20 and 106,739.60 is: 147,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,622.48 : 264,447.20 = 106,739.60 : x
  2. Step 2: Convert to fraction form
    191,622.48/264,447.20 = 106,739.60/x
  3. Step 3: Cross multiply
    191,622.48x = 264,447.20 × 106,739.60
  4. Step 4: Simplify right side
    191,622.48x = 28,226,988,349.12
  5. Step 5: Solve for x
    x = 28,226,988,349.12/191,622.48
  6. Step 6: Final answer
    x = 147,305.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.