Home / 212,720.16-293,555.80-117,230.24

Finding the Fourth Proportional to 212,720.16, 293,555.80 and 117,230.24

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Solution

The fourth proportional to 212,720.16, 293,555.80 and 117,230.24 is: 161,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,720.16 : 293,555.80 = 117,230.24 : x
  2. Step 2: Convert to fraction form
    212,720.16/293,555.80 = 117,230.24/x
  3. Step 3: Cross multiply
    212,720.16x = 293,555.80 × 117,230.24
  4. Step 4: Simplify right side
    212,720.16x = 34,413,616,887.39
  5. Step 5: Solve for x
    x = 34,413,616,887.39/212,720.16
  6. Step 6: Final answer
    x = 161,778.82

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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.