Home / 211,628.89-292,056.27-116,139.02

Finding the Fourth Proportional to 211,628.89, 292,056.27 and 116,139.02

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Solution

The fourth proportional to 211,628.89, 292,056.27 and 116,139.02 is: 160,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,628.89 : 292,056.27 = 116,139.02 : x
  2. Step 2: Convert to fraction form
    211,628.89/292,056.27 = 116,139.02/x
  3. Step 3: Cross multiply
    211,628.89x = 292,056.27 × 116,139.02
  4. Step 4: Simplify right side
    211,628.89x = 33,919,128,982.66
  5. Step 5: Solve for x
    x = 33,919,128,982.66/211,628.89
  6. Step 6: Final answer
    x = 160,276.46

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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.