Home / 211,895.04-292,417.56-115,099.78

Finding the Fourth Proportional to 211,895.04, 292,417.56 and 115,099.78

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Solution

The fourth proportional to 211,895.04, 292,417.56 and 115,099.78 is: 158,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,895.04 : 292,417.56 = 115,099.78 : x
  2. Step 2: Convert to fraction form
    211,895.04/292,417.56 = 115,099.78/x
  3. Step 3: Cross multiply
    211,895.04x = 292,417.56 × 115,099.78
  4. Step 4: Simplify right side
    211,895.04x = 33,657,196,824.14
  5. Step 5: Solve for x
    x = 33,657,196,824.14/211,895.04
  6. Step 6: Final answer
    x = 158,839.00

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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.