Home / 141,905.76-212,909.04-63,012.96

Finding the Fourth Proportional to 141,905.76, 212,909.04 and 63,012.96

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Solution

The fourth proportional to 141,905.76, 212,909.04 and 63,012.96 is: 94,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,905.76 : 212,909.04 = 63,012.96 : x
  2. Step 2: Convert to fraction form
    141,905.76/212,909.04 = 63,012.96/x
  3. Step 3: Cross multiply
    141,905.76x = 212,909.04 × 63,012.96
  4. Step 4: Simplify right side
    141,905.76x = 13,416,028,821.16
  5. Step 5: Solve for x
    x = 13,416,028,821.16/141,905.76
  6. Step 6: Final answer
    x = 94,541.82

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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.