Home / 118,320.58-163,289.02-64,610.60

Finding the Fourth Proportional to 118,320.58, 163,289.02 and 64,610.60

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Solution

The fourth proportional to 118,320.58, 163,289.02 and 64,610.60 is: 89,166.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,320.58 : 163,289.02 = 64,610.60 : x
  2. Step 2: Convert to fraction form
    118,320.58/163,289.02 = 64,610.60/x
  3. Step 3: Cross multiply
    118,320.58x = 163,289.02 × 64,610.60
  4. Step 4: Simplify right side
    118,320.58x = 10,550,201,555.61
  5. Step 5: Solve for x
    x = 10,550,201,555.61/118,320.58
  6. Step 6: Final answer
    x = 89,166.24

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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.