Home / 215,045.98-296,771.06-118,257.21

Finding the Fourth Proportional to 215,045.98, 296,771.06 and 118,257.21

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Solution

The fourth proportional to 215,045.98, 296,771.06 and 118,257.21 is: 163,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,045.98 : 296,771.06 = 118,257.21 : x
  2. Step 2: Convert to fraction form
    215,045.98/296,771.06 = 118,257.21/x
  3. Step 3: Cross multiply
    215,045.98x = 296,771.06 × 118,257.21
  4. Step 4: Simplify right side
    215,045.98x = 35,095,317,564.34
  5. Step 5: Solve for x
    x = 35,095,317,564.34/215,045.98
  6. Step 6: Final answer
    x = 163,199.13

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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.