Home / 141,492.66-212,187.63-77,498.34

Finding the Fourth Proportional to 141,492.66, 212,187.63 and 77,498.34

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Solution

The fourth proportional to 141,492.66, 212,187.63 and 77,498.34 is: 116,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,492.66 : 212,187.63 = 77,498.34 : x
  2. Step 2: Convert to fraction form
    141,492.66/212,187.63 = 77,498.34/x
  3. Step 3: Cross multiply
    141,492.66x = 212,187.63 × 77,498.34
  4. Step 4: Simplify right side
    141,492.66x = 16,444,189,093.53
  5. Step 5: Solve for x
    x = 16,444,189,093.53/141,492.66
  6. Step 6: Final answer
    x = 116,219.38

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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.