Home / 207,835.02-286,815.36-117,195.30

Finding the Fourth Proportional to 207,835.02, 286,815.36 and 117,195.30

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Solution

The fourth proportional to 207,835.02, 286,815.36 and 117,195.30 is: 161,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,835.02 : 286,815.36 = 117,195.30 : x
  2. Step 2: Convert to fraction form
    207,835.02/286,815.36 = 117,195.30/x
  3. Step 3: Cross multiply
    207,835.02x = 286,815.36 × 117,195.30
  4. Step 4: Simplify right side
    207,835.02x = 33,613,412,159.81
  5. Step 5: Solve for x
    x = 33,613,412,159.81/207,835.02
  6. Step 6: Final answer
    x = 161,731.22

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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.