Home / 212,518.79-293,265.40-117,007.64

Finding the Fourth Proportional to 212,518.79, 293,265.40 and 117,007.64

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Solution

The fourth proportional to 212,518.79, 293,265.40 and 117,007.64 is: 161,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,518.79 : 293,265.40 = 117,007.64 : x
  2. Step 2: Convert to fraction form
    212,518.79/293,265.40 = 117,007.64/x
  3. Step 3: Cross multiply
    212,518.79x = 293,265.40 × 117,007.64
  4. Step 4: Simplify right side
    212,518.79x = 34,314,292,347.66
  5. Step 5: Solve for x
    x = 34,314,292,347.66/212,518.79
  6. Step 6: Final answer
    x = 161,464.75

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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.