Home / 79,145.06-118,681.67-34,145.19

Finding the Fourth Proportional to 79,145.06, 118,681.67 and 34,145.19

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Solution

The fourth proportional to 79,145.06, 118,681.67 and 34,145.19 is: 51,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,145.06 : 118,681.67 = 34,145.19 : x
  2. Step 2: Convert to fraction form
    79,145.06/118,681.67 = 34,145.19/x
  3. Step 3: Cross multiply
    79,145.06x = 118,681.67 × 34,145.19
  4. Step 4: Simplify right side
    79,145.06x = 4,052,408,000.94
  5. Step 5: Solve for x
    x = 4,052,408,000.94/79,145.06
  6. Step 6: Final answer
    x = 51,202.29

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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.