Home / 142,349.11-213,523.68-58,149.01

Finding the Fourth Proportional to 142,349.11, 213,523.68 and 58,149.01

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Solution

The fourth proportional to 142,349.11, 213,523.68 and 58,149.01 is: 87,223.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,349.11 : 213,523.68 = 58,149.01 : x
  2. Step 2: Convert to fraction form
    142,349.11/213,523.68 = 58,149.01/x
  3. Step 3: Cross multiply
    142,349.11x = 213,523.68 × 58,149.01
  4. Step 4: Simplify right side
    142,349.11x = 12,416,190,603.56
  5. Step 5: Solve for x
    x = 12,416,190,603.56/142,349.11
  6. Step 6: Final answer
    x = 87,223.52

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1.5x scale

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.