Home / 211,498.74-291,883.64-120,852.63

Finding the Fourth Proportional to 211,498.74, 291,883.64 and 120,852.63

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Solution

The fourth proportional to 211,498.74, 291,883.64 and 120,852.63 is: 166,785.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,498.74 : 291,883.64 = 120,852.63 : x
  2. Step 2: Convert to fraction form
    211,498.74/291,883.64 = 120,852.63/x
  3. Step 3: Cross multiply
    211,498.74x = 291,883.64 × 120,852.63
  4. Step 4: Simplify right side
    211,498.74x = 35,274,904,943.71
  5. Step 5: Solve for x
    x = 35,274,904,943.71/211,498.74
  6. Step 6: Final answer
    x = 166,785.41

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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.