Home / 210,583.08-290,609.28-115,095.96

Finding the Fourth Proportional to 210,583.08, 290,609.28 and 115,095.96

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Solution

The fourth proportional to 210,583.08, 290,609.28 and 115,095.96 is: 158,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,583.08 : 290,609.28 = 115,095.96 : x
  2. Step 2: Convert to fraction form
    210,583.08/290,609.28 = 115,095.96/x
  3. Step 3: Cross multiply
    210,583.08x = 290,609.28 × 115,095.96
  4. Step 4: Simplify right side
    210,583.08x = 33,447,954,066.51
  5. Step 5: Solve for x
    x = 33,447,954,066.51/210,583.08
  6. Step 6: Final answer
    x = 158,834.96

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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.