Home / 210,587.63-290,606.61-115,095.02

Finding the Fourth Proportional to 210,587.63, 290,606.61 and 115,095.02

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Solution

The fourth proportional to 210,587.63, 290,606.61 and 115,095.02 is: 158,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,587.63 : 290,606.61 = 115,095.02 : x
  2. Step 2: Convert to fraction form
    210,587.63/290,606.61 = 115,095.02/x
  3. Step 3: Cross multiply
    210,587.63x = 290,606.61 × 115,095.02
  4. Step 4: Simplify right side
    210,587.63x = 33,447,372,137.05
  5. Step 5: Solve for x
    x = 33,447,372,137.05/210,587.63
  6. Step 6: Final answer
    x = 158,828.76

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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.