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Finding the Fourth Proportional to 170,019, 254,973.36 and 56,141.20

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Solution

The fourth proportional to 170,019, 254,973.36 and 56,141.20 is: 84,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,019 : 254,973.36 = 56,141.20 : x
  2. Step 2: Convert to fraction form
    170,019/254,973.36 = 56,141.20/x
  3. Step 3: Cross multiply
    170,019x = 254,973.36 × 56,141.20
  4. Step 4: Simplify right side
    170,019x = 14,314,510,398.43
  5. Step 5: Solve for x
    x = 14,314,510,398.43/170,019
  6. Step 6: Final answer
    x = 84,193.59

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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.