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Finding the Fourth Proportional to 210,173.13, 290,045.29 and 119,542.13

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Solution

The fourth proportional to 210,173.13, 290,045.29 and 119,542.13 is: 164,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,173.13 : 290,045.29 = 119,542.13 : x
  2. Step 2: Convert to fraction form
    210,173.13/290,045.29 = 119,542.13/x
  3. Step 3: Cross multiply
    210,173.13x = 290,045.29 × 119,542.13
  4. Step 4: Simplify right side
    210,173.13x = 34,672,631,325.80
  5. Step 5: Solve for x
    x = 34,672,631,325.80/210,173.13
  6. Step 6: Final answer
    x = 164,971.76

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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.