Home / 143,011.42-214,529.74-53,055.18

Finding the Fourth Proportional to 143,011.42, 214,529.74 and 53,055.18

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Solution

The fourth proportional to 143,011.42, 214,529.74 and 53,055.18 is: 79,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,011.42 : 214,529.74 = 53,055.18 : x
  2. Step 2: Convert to fraction form
    143,011.42/214,529.74 = 53,055.18/x
  3. Step 3: Cross multiply
    143,011.42x = 214,529.74 × 53,055.18
  4. Step 4: Simplify right side
    143,011.42x = 11,381,913,384.27
  5. Step 5: Solve for x
    x = 11,381,913,384.27/143,011.42
  6. Step 6: Final answer
    x = 79,587.44

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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.