Home / 136,126.72-204,316.44-69,614.38

Finding the Fourth Proportional to 136,126.72, 204,316.44 and 69,614.38

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Solution

The fourth proportional to 136,126.72, 204,316.44 and 69,614.38 is: 104,486.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,126.72 : 204,316.44 = 69,614.38 : x
  2. Step 2: Convert to fraction form
    136,126.72/204,316.44 = 69,614.38/x
  3. Step 3: Cross multiply
    136,126.72x = 204,316.44 × 69,614.38
  4. Step 4: Simplify right side
    136,126.72x = 14,223,362,294.41
  5. Step 5: Solve for x
    x = 14,223,362,294.41/136,126.72
  6. Step 6: Final answer
    x = 104,486.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.