Home / 143,011.87-214,368.13-48,209.29

Finding the Fourth Proportional to 143,011.87, 214,368.13 and 48,209.29

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Solution

The fourth proportional to 143,011.87, 214,368.13 and 48,209.29 is: 72,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,011.87 : 214,368.13 = 48,209.29 : x
  2. Step 2: Convert to fraction form
    143,011.87/214,368.13 = 48,209.29/x
  3. Step 3: Cross multiply
    143,011.87x = 214,368.13 × 48,209.29
  4. Step 4: Simplify right side
    143,011.87x = 10,334,535,674.15
  5. Step 5: Solve for x
    x = 10,334,535,674.15/143,011.87
  6. Step 6: Final answer
    x = 72,263.48

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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.