Home / 210,522.20-290,488.92-119,881.58

Finding the Fourth Proportional to 210,522.20, 290,488.92 and 119,881.58

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Solution

The fourth proportional to 210,522.20, 290,488.92 and 119,881.58 is: 165,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,522.20 : 290,488.92 = 119,881.58 : x
  2. Step 2: Convert to fraction form
    210,522.20/290,488.92 = 119,881.58/x
  3. Step 3: Cross multiply
    210,522.20x = 290,488.92 × 119,881.58
  4. Step 4: Simplify right side
    210,522.20x = 34,824,270,702.09
  5. Step 5: Solve for x
    x = 34,824,270,702.09/210,522.20
  6. Step 6: Final answer
    x = 165,418.52

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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.