Home / 210,792.39-290,890.08-115,298.25

Finding the Fourth Proportional to 210,792.39, 290,890.08 and 115,298.25

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Solution

The fourth proportional to 210,792.39, 290,890.08 and 115,298.25 is: 159,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,792.39 : 290,890.08 = 115,298.25 : x
  2. Step 2: Convert to fraction form
    210,792.39/290,890.08 = 115,298.25/x
  3. Step 3: Cross multiply
    210,792.39x = 290,890.08 × 115,298.25
  4. Step 4: Simplify right side
    210,792.39x = 33,539,117,166.36
  5. Step 5: Solve for x
    x = 33,539,117,166.36/210,792.39
  6. Step 6: Final answer
    x = 159,109.72

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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.