Home / 212,790.65-293,650.95-115,994.69

Finding the Fourth Proportional to 212,790.65, 293,650.95 and 115,994.69

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Solution

The fourth proportional to 212,790.65, 293,650.95 and 115,994.69 is: 160,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,790.65 : 293,650.95 = 115,994.69 : x
  2. Step 2: Convert to fraction form
    212,790.65/293,650.95 = 115,994.69/x
  3. Step 3: Cross multiply
    212,790.65x = 293,650.95 × 115,994.69
  4. Step 4: Simplify right side
    212,790.65x = 34,061,950,913.46
  5. Step 5: Solve for x
    x = 34,061,950,913.46/212,790.65
  6. Step 6: Final answer
    x = 160,072.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.