Home / 134,795.02-185,934.68-86,380.64

Finding the Fourth Proportional to 134,795.02, 185,934.68 and 86,380.64

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Solution

The fourth proportional to 134,795.02, 185,934.68 and 86,380.64 is: 119,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,795.02 : 185,934.68 = 86,380.64 : x
  2. Step 2: Convert to fraction form
    134,795.02/185,934.68 = 86,380.64/x
  3. Step 3: Cross multiply
    134,795.02x = 185,934.68 × 86,380.64
  4. Step 4: Simplify right side
    134,795.02x = 16,061,156,656.60
  5. Step 5: Solve for x
    x = 16,061,156,656.60/134,795.02
  6. Step 6: Final answer
    x = 119,152.45

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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.