Home / 118,324.72-163,288.40-64,610.16

Finding the Fourth Proportional to 118,324.72, 163,288.40 and 64,610.16

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Solution

The fourth proportional to 118,324.72, 163,288.40 and 64,610.16 is: 89,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,324.72 : 163,288.40 = 64,610.16 : x
  2. Step 2: Convert to fraction form
    118,324.72/163,288.40 = 64,610.16/x
  3. Step 3: Cross multiply
    118,324.72x = 163,288.40 × 64,610.16
  4. Step 4: Simplify right side
    118,324.72x = 10,550,089,650.14
  5. Step 5: Solve for x
    x = 10,550,089,650.14/118,324.72
  6. Step 6: Final answer
    x = 89,162.18

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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.