Home / 143,637.60-215,320.08-50,118.24

Finding the Fourth Proportional to 143,637.60, 215,320.08 and 50,118.24

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Solution

The fourth proportional to 143,637.60, 215,320.08 and 50,118.24 is: 75,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,637.60 : 215,320.08 = 50,118.24 : x
  2. Step 2: Convert to fraction form
    143,637.60/215,320.08 = 50,118.24/x
  3. Step 3: Cross multiply
    143,637.60x = 215,320.08 × 50,118.24
  4. Step 4: Simplify right side
    143,637.60x = 10,791,463,446.26
  5. Step 5: Solve for x
    x = 10,791,463,446.26/143,637.60
  6. Step 6: Final answer
    x = 75,129.80

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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.