Home / 142,262.11-213,322.09-47,459.31

Finding the Fourth Proportional to 142,262.11, 213,322.09 and 47,459.31

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Solution

The fourth proportional to 142,262.11, 213,322.09 and 47,459.31 is: 71,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,262.11 : 213,322.09 = 47,459.31 : x
  2. Step 2: Convert to fraction form
    142,262.11/213,322.09 = 47,459.31/x
  3. Step 3: Cross multiply
    142,262.11x = 213,322.09 × 47,459.31
  4. Step 4: Simplify right side
    142,262.11x = 10,124,119,199.16
  5. Step 5: Solve for x
    x = 10,124,119,199.16/142,262.11
  6. Step 6: Final answer
    x = 71,165.25

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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.