Home / 210,579.54-290,599.82-119,943.98

Finding the Fourth Proportional to 210,579.54, 290,599.82 and 119,943.98

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Solution

The fourth proportional to 210,579.54, 290,599.82 and 119,943.98 is: 165,522.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,579.54 : 290,599.82 = 119,943.98 : x
  2. Step 2: Convert to fraction form
    210,579.54/290,599.82 = 119,943.98/x
  3. Step 3: Cross multiply
    210,579.54x = 290,599.82 × 119,943.98
  4. Step 4: Simplify right side
    210,579.54x = 34,855,698,998.08
  5. Step 5: Solve for x
    x = 34,855,698,998.08/210,579.54
  6. Step 6: Final answer
    x = 165,522.72

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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.