Home / 142,041.21-213,006.42-53,246.25

Finding the Fourth Proportional to 142,041.21, 213,006.42 and 53,246.25

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Solution

The fourth proportional to 142,041.21, 213,006.42 and 53,246.25 is: 79,848.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,041.21 : 213,006.42 = 53,246.25 : x
  2. Step 2: Convert to fraction form
    142,041.21/213,006.42 = 53,246.25/x
  3. Step 3: Cross multiply
    142,041.21x = 213,006.42 × 53,246.25
  4. Step 4: Simplify right side
    142,041.21x = 11,341,793,090.93
  5. Step 5: Solve for x
    x = 11,341,793,090.93/142,041.21
  6. Step 6: Final answer
    x = 79,848.61

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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.