Home / 210,328.92-290,260.62-114,840.60

Finding the Fourth Proportional to 210,328.92, 290,260.62 and 114,840.60

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Solution

The fourth proportional to 210,328.92, 290,260.62 and 114,840.60 is: 158,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,328.92 : 290,260.62 = 114,840.60 : x
  2. Step 2: Convert to fraction form
    210,328.92/290,260.62 = 114,840.60/x
  3. Step 3: Cross multiply
    210,328.92x = 290,260.62 × 114,840.60
  4. Step 4: Simplify right side
    210,328.92x = 33,333,703,757.17
  5. Step 5: Solve for x
    x = 33,333,703,757.17/210,328.92
  6. Step 6: Final answer
    x = 158,483.69

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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.