Home / 211,686.48-292,116.96-116,191.44

Finding the Fourth Proportional to 211,686.48, 292,116.96 and 116,191.44

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Solution

The fourth proportional to 211,686.48, 292,116.96 and 116,191.44 is: 160,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,686.48 : 292,116.96 = 116,191.44 : x
  2. Step 2: Convert to fraction form
    211,686.48/292,116.96 = 116,191.44/x
  3. Step 3: Cross multiply
    211,686.48x = 292,116.96 × 116,191.44
  4. Step 4: Simplify right side
    211,686.48x = 33,941,490,230.82
  5. Step 5: Solve for x
    x = 33,941,490,230.82/211,686.48
  6. Step 6: Final answer
    x = 160,338.49

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1.5x scale

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.