Home / 141,818.70-212,728.05-89,460.30

Finding the Fourth Proportional to 141,818.70, 212,728.05 and 89,460.30

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Solution

The fourth proportional to 141,818.70, 212,728.05 and 89,460.30 is: 134,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,818.70 : 212,728.05 = 89,460.30 : x
  2. Step 2: Convert to fraction form
    141,818.70/212,728.05 = 89,460.30/x
  3. Step 3: Cross multiply
    141,818.70x = 212,728.05 × 89,460.30
  4. Step 4: Simplify right side
    141,818.70x = 19,030,715,171.42
  5. Step 5: Solve for x
    x = 19,030,715,171.42/141,818.70
  6. Step 6: Final answer
    x = 134,190.45

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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.