Home / 106,830.64-160,282.80-47,707.12

Finding the Fourth Proportional to 106,830.64, 160,282.80 and 47,707.12

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Solution

The fourth proportional to 106,830.64, 160,282.80 and 47,707.12 is: 71,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,830.64 : 160,282.80 = 47,707.12 : x
  2. Step 2: Convert to fraction form
    106,830.64/160,282.80 = 47,707.12/x
  3. Step 3: Cross multiply
    106,830.64x = 160,282.80 × 47,707.12
  4. Step 4: Simplify right side
    106,830.64x = 7,646,630,773.54
  5. Step 5: Solve for x
    x = 7,646,630,773.54/106,830.64
  6. Step 6: Final answer
    x = 71,577.13

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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.