Home / 115,412.70-173,119.05-92,862.30

Finding the Fourth Proportional to 115,412.70, 173,119.05 and 92,862.30

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Solution

The fourth proportional to 115,412.70, 173,119.05 and 92,862.30 is: 139,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,412.70 : 173,119.05 = 92,862.30 : x
  2. Step 2: Convert to fraction form
    115,412.70/173,119.05 = 92,862.30/x
  3. Step 3: Cross multiply
    115,412.70x = 173,119.05 × 92,862.30
  4. Step 4: Simplify right side
    115,412.70x = 16,076,233,156.82
  5. Step 5: Solve for x
    x = 16,076,233,156.82/115,412.70
  6. Step 6: Final answer
    x = 139,293.45

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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.