Home / 142,168.95-213,182.09-47,365.79

Finding the Fourth Proportional to 142,168.95, 213,182.09 and 47,365.79

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Solution

The fourth proportional to 142,168.95, 213,182.09 and 47,365.79 is: 71,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,168.95 : 213,182.09 = 47,365.79 : x
  2. Step 2: Convert to fraction form
    142,168.95/213,182.09 = 47,365.79/x
  3. Step 3: Cross multiply
    142,168.95x = 213,182.09 × 47,365.79
  4. Step 4: Simplify right side
    142,168.95x = 10,097,536,803.96
  5. Step 5: Solve for x
    x = 10,097,536,803.96/142,168.95
  6. Step 6: Final answer
    x = 71,024.91

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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.