Home / 142,747.47-214,140.87-47,985.01

Finding the Fourth Proportional to 142,747.47, 214,140.87 and 47,985.01

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Solution

The fourth proportional to 142,747.47, 214,140.87 and 47,985.01 is: 71,984.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,747.47 : 214,140.87 = 47,985.01 : x
  2. Step 2: Convert to fraction form
    142,747.47/214,140.87 = 47,985.01/x
  3. Step 3: Cross multiply
    142,747.47x = 214,140.87 × 47,985.01
  4. Step 4: Simplify right side
    142,747.47x = 10,275,551,728.38
  5. Step 5: Solve for x
    x = 10,275,551,728.38/142,747.47
  6. Step 6: Final answer
    x = 71,984.13

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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.