Home / 212,417.64-293,102.04-121,756.92

Finding the Fourth Proportional to 212,417.64, 293,102.04 and 121,756.92

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Solution

The fourth proportional to 212,417.64, 293,102.04 and 121,756.92 is: 168,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,417.64 : 293,102.04 = 121,756.92 : x
  2. Step 2: Convert to fraction form
    212,417.64/293,102.04 = 121,756.92/x
  3. Step 3: Cross multiply
    212,417.64x = 293,102.04 × 121,756.92
  4. Step 4: Simplify right side
    212,417.64x = 35,687,202,642.27
  5. Step 5: Solve for x
    x = 35,687,202,642.27/212,417.64
  6. Step 6: Final answer
    x = 168,004.89

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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.