Home / 142,751.04-214,130.10-47,982.66

Finding the Fourth Proportional to 142,751.04, 214,130.10 and 47,982.66

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Solution

The fourth proportional to 142,751.04, 214,130.10 and 47,982.66 is: 71,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,751.04 : 214,130.10 = 47,982.66 : x
  2. Step 2: Convert to fraction form
    142,751.04/214,130.10 = 47,982.66/x
  3. Step 3: Cross multiply
    142,751.04x = 214,130.10 × 47,982.66
  4. Step 4: Simplify right side
    142,751.04x = 10,274,531,784.07
  5. Step 5: Solve for x
    x = 10,274,531,784.07/142,751.04
  6. Step 6: Final answer
    x = 71,975.18

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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.