Home / 142,114.04-211,935.82-140,207.28

Finding the Fourth Proportional to 142,114.04, 211,935.82 and 140,207.28

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Solution

The fourth proportional to 142,114.04, 211,935.82 and 140,207.28 is: 209,092.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,114.04 : 211,935.82 = 140,207.28 : x
  2. Step 2: Convert to fraction form
    142,114.04/211,935.82 = 140,207.28/x
  3. Step 3: Cross multiply
    142,114.04x = 211,935.82 × 140,207.28
  4. Step 4: Simplify right side
    142,114.04x = 29,714,944,856.77
  5. Step 5: Solve for x
    x = 29,714,944,856.77/142,114.04
  6. Step 6: Final answer
    x = 209,092.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.