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Finding the Fourth Proportional to 180,185.10, 270,277.65 and 86,700.30

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Solution

The fourth proportional to 180,185.10, 270,277.65 and 86,700.30 is: 130,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,185.10 : 270,277.65 = 86,700.30 : x
  2. Step 2: Convert to fraction form
    180,185.10/270,277.65 = 86,700.30/x
  3. Step 3: Cross multiply
    180,185.10x = 270,277.65 × 86,700.30
  4. Step 4: Simplify right side
    180,185.10x = 23,433,153,338.30
  5. Step 5: Solve for x
    x = 23,433,153,338.30/180,185.10
  6. Step 6: Final answer
    x = 130,050.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.