Home / 211,629.65-292,057.32-116,139.74

Finding the Fourth Proportional to 211,629.65, 292,057.32 and 116,139.74

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Solution

The fourth proportional to 211,629.65, 292,057.32 and 116,139.74 is: 160,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,629.65 : 292,057.32 = 116,139.74 : x
  2. Step 2: Convert to fraction form
    211,629.65/292,057.32 = 116,139.74/x
  3. Step 3: Cross multiply
    211,629.65x = 292,057.32 × 116,139.74
  4. Step 4: Simplify right side
    211,629.65x = 33,919,461,209.90
  5. Step 5: Solve for x
    x = 33,919,461,209.90/211,629.65
  6. Step 6: Final answer
    x = 160,277.45

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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.