Home / 130,996.24-180,715.46-77,256.18

Finding the Fourth Proportional to 130,996.24, 180,715.46 and 77,256.18

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Solution

The fourth proportional to 130,996.24, 180,715.46 and 77,256.18 is: 106,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,996.24 : 180,715.46 = 77,256.18 : x
  2. Step 2: Convert to fraction form
    130,996.24/180,715.46 = 77,256.18/x
  3. Step 3: Cross multiply
    130,996.24x = 180,715.46 × 77,256.18
  4. Step 4: Simplify right side
    130,996.24x = 13,961,385,720.26
  5. Step 5: Solve for x
    x = 13,961,385,720.26/130,996.24
  6. Step 6: Final answer
    x = 106,578.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.