Home / 141,931.75-212,722.32-121,799.73

Finding the Fourth Proportional to 141,931.75, 212,722.32 and 121,799.73

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Solution

The fourth proportional to 141,931.75, 212,722.32 and 121,799.73 is: 182,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,931.75 : 212,722.32 = 121,799.73 : x
  2. Step 2: Convert to fraction form
    141,931.75/212,722.32 = 121,799.73/x
  3. Step 3: Cross multiply
    141,931.75x = 212,722.32 × 121,799.73
  4. Step 4: Simplify right side
    141,931.75x = 25,909,521,710.31
  5. Step 5: Solve for x
    x = 25,909,521,710.31/141,931.75
  6. Step 6: Final answer
    x = 182,549.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.