Home / 212,756.79-293,606.42-117,267.15

Finding the Fourth Proportional to 212,756.79, 293,606.42 and 117,267.15

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Solution

The fourth proportional to 212,756.79, 293,606.42 and 117,267.15 is: 161,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,756.79 : 293,606.42 = 117,267.15 : x
  2. Step 2: Convert to fraction form
    212,756.79/293,606.42 = 117,267.15/x
  3. Step 3: Cross multiply
    212,756.79x = 293,606.42 × 117,267.15
  4. Step 4: Simplify right side
    212,756.79x = 34,430,387,508.77
  5. Step 5: Solve for x
    x = 34,430,387,508.77/212,756.79
  6. Step 6: Final answer
    x = 161,829.79

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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.