Home / 207,970.16-287,001.61-117,325.85

Finding the Fourth Proportional to 207,970.16, 287,001.61 and 117,325.85

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Solution

The fourth proportional to 207,970.16, 287,001.61 and 117,325.85 is: 161,911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,970.16 : 287,001.61 = 117,325.85 : x
  2. Step 2: Convert to fraction form
    207,970.16/287,001.61 = 117,325.85/x
  3. Step 3: Cross multiply
    207,970.16x = 287,001.61 × 117,325.85
  4. Step 4: Simplify right side
    207,970.16x = 33,672,706,116.30
  5. Step 5: Solve for x
    x = 33,672,706,116.30/207,970.16
  6. Step 6: Final answer
    x = 161,911.24

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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.