Home / 213,012.72-293,955.60-117,520.16

Finding the Fourth Proportional to 213,012.72, 293,955.60 and 117,520.16

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Solution

The fourth proportional to 213,012.72, 293,955.60 and 117,520.16 is: 162,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,012.72 : 293,955.60 = 117,520.16 : x
  2. Step 2: Convert to fraction form
    213,012.72/293,955.60 = 117,520.16/x
  3. Step 3: Cross multiply
    213,012.72x = 293,955.60 × 117,520.16
  4. Step 4: Simplify right side
    213,012.72x = 34,545,709,144.90
  5. Step 5: Solve for x
    x = 34,545,709,144.90/213,012.72
  6. Step 6: Final answer
    x = 162,176.74

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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.