Home / 142,691.10-214,036.53-49,189.50

Finding the Fourth Proportional to 142,691.10, 214,036.53 and 49,189.50

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Solution

The fourth proportional to 142,691.10, 214,036.53 and 49,189.50 is: 73,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,691.10 : 214,036.53 = 49,189.50 : x
  2. Step 2: Convert to fraction form
    142,691.10/214,036.53 = 49,189.50/x
  3. Step 3: Cross multiply
    142,691.10x = 214,036.53 × 49,189.50
  4. Step 4: Simplify right side
    142,691.10x = 10,528,349,892.44
  5. Step 5: Solve for x
    x = 10,528,349,892.44/142,691.10
  6. Step 6: Final answer
    x = 73,784.21

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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.