Home / 142,129.01-213,190.58-47,366.07

Finding the Fourth Proportional to 142,129.01, 213,190.58 and 47,366.07

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Solution

The fourth proportional to 142,129.01, 213,190.58 and 47,366.07 is: 71,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,129.01 : 213,190.58 = 47,366.07 : x
  2. Step 2: Convert to fraction form
    142,129.01/213,190.58 = 47,366.07/x
  3. Step 3: Cross multiply
    142,129.01x = 213,190.58 × 47,366.07
  4. Step 4: Simplify right side
    142,129.01x = 10,098,000,054.04
  5. Step 5: Solve for x
    x = 10,098,000,054.04/142,129.01
  6. Step 6: Final answer
    x = 71,048.13

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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.