Home / 210,427.74-290,415.24-119,805.48

Finding the Fourth Proportional to 210,427.74, 290,415.24 and 119,805.48

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Solution

The fourth proportional to 210,427.74, 290,415.24 and 119,805.48 is: 165,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,427.74 : 290,415.24 = 119,805.48 : x
  2. Step 2: Convert to fraction form
    210,427.74/290,415.24 = 119,805.48/x
  3. Step 3: Cross multiply
    210,427.74x = 290,415.24 × 119,805.48
  4. Step 4: Simplify right side
    210,427.74x = 34,793,337,227.52
  5. Step 5: Solve for x
    x = 34,793,337,227.52/210,427.74
  6. Step 6: Final answer
    x = 165,345.77

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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.