Home / 141,999.10-212,962.16-42,135.66

Finding the Fourth Proportional to 141,999.10, 212,962.16 and 42,135.66

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Solution

The fourth proportional to 141,999.10, 212,962.16 and 42,135.66 is: 63,192.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,999.10 : 212,962.16 = 42,135.66 : x
  2. Step 2: Convert to fraction form
    141,999.10/212,962.16 = 42,135.66/x
  3. Step 3: Cross multiply
    141,999.10x = 212,962.16 × 42,135.66
  4. Step 4: Simplify right side
    141,999.10x = 8,973,301,166.63
  5. Step 5: Solve for x
    x = 8,973,301,166.63/141,999.10
  6. Step 6: Final answer
    x = 63,192.66

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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.