Home / 141,996.09-212,957.67-42,132.66

Finding the Fourth Proportional to 141,996.09, 212,957.67 and 42,132.66

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Solution

The fourth proportional to 141,996.09, 212,957.67 and 42,132.66 is: 63,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,996.09 : 212,957.67 = 42,132.66 : x
  2. Step 2: Convert to fraction form
    141,996.09/212,957.67 = 42,132.66/x
  3. Step 3: Cross multiply
    141,996.09x = 212,957.67 × 42,132.66
  4. Step 4: Simplify right side
    141,996.09x = 8,972,473,104.50
  5. Step 5: Solve for x
    x = 8,972,473,104.50/141,996.09
  6. Step 6: Final answer
    x = 63,188.17

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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.