Home / 141,342.17-212,059.27-66,469.76

Finding the Fourth Proportional to 141,342.17, 212,059.27 and 66,469.76

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Solution

The fourth proportional to 141,342.17, 212,059.27 and 66,469.76 is: 99,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,342.17 : 212,059.27 = 66,469.76 : x
  2. Step 2: Convert to fraction form
    141,342.17/212,059.27 = 66,469.76/x
  3. Step 3: Cross multiply
    141,342.17x = 212,059.27 × 66,469.76
  4. Step 4: Simplify right side
    141,342.17x = 14,095,529,419.63
  5. Step 5: Solve for x
    x = 14,095,529,419.63/141,342.17
  6. Step 6: Final answer
    x = 99,726.29

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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.