Home / 102,622.70-141,617.96-57,301.44

Finding the Fourth Proportional to 102,622.70, 141,617.96 and 57,301.44

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Solution

The fourth proportional to 102,622.70, 141,617.96 and 57,301.44 is: 79,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,622.70 : 141,617.96 = 57,301.44 : x
  2. Step 2: Convert to fraction form
    102,622.70/141,617.96 = 57,301.44/x
  3. Step 3: Cross multiply
    102,622.70x = 141,617.96 × 57,301.44
  4. Step 4: Simplify right side
    102,622.70x = 8,114,913,037.86
  5. Step 5: Solve for x
    x = 8,114,913,037.86/102,622.70
  6. Step 6: Final answer
    x = 79,075.22

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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.