Home / 207,974.04-287,004.23-117,349.21

Finding the Fourth Proportional to 207,974.04, 287,004.23 and 117,349.21

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Solution

The fourth proportional to 207,974.04, 287,004.23 and 117,349.21 is: 161,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,974.04 : 287,004.23 = 117,349.21 : x
  2. Step 2: Convert to fraction form
    207,974.04/287,004.23 = 117,349.21/x
  3. Step 3: Cross multiply
    207,974.04x = 287,004.23 × 117,349.21
  4. Step 4: Simplify right side
    207,974.04x = 33,679,719,657.16
  5. Step 5: Solve for x
    x = 33,679,719,657.16/207,974.04
  6. Step 6: Final answer
    x = 161,941.94

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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.