Home / 210,316.56-290,225.48-119,669.84

Finding the Fourth Proportional to 210,316.56, 290,225.48 and 119,669.84

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Solution

The fourth proportional to 210,316.56, 290,225.48 and 119,669.84 is: 165,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,316.56 : 290,225.48 = 119,669.84 : x
  2. Step 2: Convert to fraction form
    210,316.56/290,225.48 = 119,669.84/x
  3. Step 3: Cross multiply
    210,316.56x = 290,225.48 × 119,669.84
  4. Step 4: Simplify right side
    210,316.56x = 34,731,236,755.52
  5. Step 5: Solve for x
    x = 34,731,236,755.52/210,316.56
  6. Step 6: Final answer
    x = 165,137.91

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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.