Home / 92,780.28-139,334.10-69,094.26

Finding the Fourth Proportional to 92,780.28, 139,334.10 and 69,094.26

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Solution

The fourth proportional to 92,780.28, 139,334.10 and 69,094.26 is: 103,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,780.28 : 139,334.10 = 69,094.26 : x
  2. Step 2: Convert to fraction form
    92,780.28/139,334.10 = 69,094.26/x
  3. Step 3: Cross multiply
    92,780.28x = 139,334.10 × 69,094.26
  4. Step 4: Simplify right side
    92,780.28x = 9,627,186,532.27
  5. Step 5: Solve for x
    x = 9,627,186,532.27/92,780.28
  6. Step 6: Final answer
    x = 103,763.28

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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.