Home / 214,916.79-296,570.77-118,118.55

Finding the Fourth Proportional to 214,916.79, 296,570.77 and 118,118.55

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Solution

The fourth proportional to 214,916.79, 296,570.77 and 118,118.55 is: 162,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,916.79 : 296,570.77 = 118,118.55 : x
  2. Step 2: Convert to fraction form
    214,916.79/296,570.77 = 118,118.55/x
  3. Step 3: Cross multiply
    214,916.79x = 296,570.77 × 118,118.55
  4. Step 4: Simplify right side
    214,916.79x = 35,030,510,141.63
  5. Step 5: Solve for x
    x = 35,030,510,141.63/214,916.79
  6. Step 6: Final answer
    x = 162,995.69

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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.