Home / 212,878.74-293,757.54-117,383.40

Finding the Fourth Proportional to 212,878.74, 293,757.54 and 117,383.40

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Solution

The fourth proportional to 212,878.74, 293,757.54 and 117,383.40 is: 161,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,878.74 : 293,757.54 = 117,383.40 : x
  2. Step 2: Convert to fraction form
    212,878.74/293,757.54 = 117,383.40/x
  3. Step 3: Cross multiply
    212,878.74x = 293,757.54 × 117,383.40
  4. Step 4: Simplify right side
    212,878.74x = 34,482,258,820.84
  5. Step 5: Solve for x
    x = 34,482,258,820.84/212,878.74
  6. Step 6: Final answer
    x = 161,980.75

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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.