Home / 143,219.61-214,625.76-105,482.93

Finding the Fourth Proportional to 143,219.61, 214,625.76 and 105,482.93

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Solution

The fourth proportional to 143,219.61, 214,625.76 and 105,482.93 is: 158,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,219.61 : 214,625.76 = 105,482.93 : x
  2. Step 2: Convert to fraction form
    143,219.61/214,625.76 = 105,482.93/x
  3. Step 3: Cross multiply
    143,219.61x = 214,625.76 × 105,482.93
  4. Step 4: Simplify right side
    143,219.61x = 22,639,352,417.73
  5. Step 5: Solve for x
    x = 22,639,352,417.73/143,219.61
  6. Step 6: Final answer
    x = 158,074.39

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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.