Home / 90,749.48-136,208.46-46,407.92

Finding the Fourth Proportional to 90,749.48, 136,208.46 and 46,407.92

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Solution

The fourth proportional to 90,749.48, 136,208.46 and 46,407.92 is: 69,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,749.48 : 136,208.46 = 46,407.92 : x
  2. Step 2: Convert to fraction form
    90,749.48/136,208.46 = 46,407.92/x
  3. Step 3: Cross multiply
    90,749.48x = 136,208.46 × 46,407.92
  4. Step 4: Simplify right side
    90,749.48x = 6,321,151,315.00
  5. Step 5: Solve for x
    x = 6,321,151,315.00/90,749.48
  6. Step 6: Final answer
    x = 69,654.96

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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.