Home / 124,913.57-172,332.30-79,583.43

Finding the Fourth Proportional to 124,913.57, 172,332.30 and 79,583.43

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Solution

The fourth proportional to 124,913.57, 172,332.30 and 79,583.43 is: 109,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,913.57 : 172,332.30 = 79,583.43 : x
  2. Step 2: Convert to fraction form
    124,913.57/172,332.30 = 79,583.43/x
  3. Step 3: Cross multiply
    124,913.57x = 172,332.30 × 79,583.43
  4. Step 4: Simplify right side
    124,913.57x = 13,714,795,533.79
  5. Step 5: Solve for x
    x = 13,714,795,533.79/124,913.57
  6. Step 6: Final answer
    x = 109,794.28

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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.