Home / 118,325.30-163,289.52-64,610.32

Finding the Fourth Proportional to 118,325.30, 163,289.52 and 64,610.32

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Solution

The fourth proportional to 118,325.30, 163,289.52 and 64,610.32 is: 89,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,325.30 : 163,289.52 = 64,610.32 : x
  2. Step 2: Convert to fraction form
    118,325.30/163,289.52 = 64,610.32/x
  3. Step 3: Cross multiply
    118,325.30x = 163,289.52 × 64,610.32
  4. Step 4: Simplify right side
    118,325.30x = 10,550,187,000.35
  5. Step 5: Solve for x
    x = 10,550,187,000.35/118,325.30
  6. Step 6: Final answer
    x = 89,162.56

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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.