Home / 142,682.23-214,032.57-47,908.60

Finding the Fourth Proportional to 142,682.23, 214,032.57 and 47,908.60

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Solution

The fourth proportional to 142,682.23, 214,032.57 and 47,908.60 is: 71,866.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,682.23 : 214,032.57 = 47,908.60 : x
  2. Step 2: Convert to fraction form
    142,682.23/214,032.57 = 47,908.60/x
  3. Step 3: Cross multiply
    142,682.23x = 214,032.57 × 47,908.60
  4. Step 4: Simplify right side
    142,682.23x = 10,254,000,783.10
  5. Step 5: Solve for x
    x = 10,254,000,783.10/142,682.23
  6. Step 6: Final answer
    x = 71,866.00

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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.