Home / 118,621.02-163,699.05-64,910.73

Finding the Fourth Proportional to 118,621.02, 163,699.05 and 64,910.73

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Solution

The fourth proportional to 118,621.02, 163,699.05 and 64,910.73 is: 89,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,621.02 : 163,699.05 = 64,910.73 : x
  2. Step 2: Convert to fraction form
    118,621.02/163,699.05 = 64,910.73/x
  3. Step 3: Cross multiply
    118,621.02x = 163,699.05 × 64,910.73
  4. Step 4: Simplify right side
    118,621.02x = 10,625,824,835.81
  5. Step 5: Solve for x
    x = 10,625,824,835.81/118,621.02
  6. Step 6: Final answer
    x = 89,577.93

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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.