Home / 142,817.19-214,255.76-42,984.69

Finding the Fourth Proportional to 142,817.19, 214,255.76 and 42,984.69

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Solution

The fourth proportional to 142,817.19, 214,255.76 and 42,984.69 is: 64,486.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,817.19 : 214,255.76 = 42,984.69 : x
  2. Step 2: Convert to fraction form
    142,817.19/214,255.76 = 42,984.69/x
  3. Step 3: Cross multiply
    142,817.19x = 214,255.76 × 42,984.69
  4. Step 4: Simplify right side
    142,817.19x = 9,209,717,209.39
  5. Step 5: Solve for x
    x = 9,209,717,209.39/142,817.19
  6. Step 6: Final answer
    x = 64,486.06

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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.