Home / 134,314.65-201,407.31-78,167.34

Finding the Fourth Proportional to 134,314.65, 201,407.31 and 78,167.34

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Solution

The fourth proportional to 134,314.65, 201,407.31 and 78,167.34 is: 117,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,314.65 : 201,407.31 = 78,167.34 : x
  2. Step 2: Convert to fraction form
    134,314.65/201,407.31 = 78,167.34/x
  3. Step 3: Cross multiply
    134,314.65x = 201,407.31 × 78,167.34
  4. Step 4: Simplify right side
    134,314.65x = 15,743,473,679.26
  5. Step 5: Solve for x
    x = 15,743,473,679.26/134,314.65
  6. Step 6: Final answer
    x = 117,213.38

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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.