Home / 218,320.88-301,282.73-121,522.67

Finding the Fourth Proportional to 218,320.88, 301,282.73 and 121,522.67

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Solution

The fourth proportional to 218,320.88, 301,282.73 and 121,522.67 is: 167,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,320.88 : 301,282.73 = 121,522.67 : x
  2. Step 2: Convert to fraction form
    218,320.88/301,282.73 = 121,522.67/x
  3. Step 3: Cross multiply
    218,320.88x = 301,282.73 × 121,522.67
  4. Step 4: Simplify right side
    218,320.88x = 36,612,681,774.49
  5. Step 5: Solve for x
    x = 36,612,681,774.49/218,320.88
  6. Step 6: Final answer
    x = 167,701.24

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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.