Home / 103,622.79-142,997.91-58,300.83

Finding the Fourth Proportional to 103,622.79, 142,997.91 and 58,300.83

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Solution

The fourth proportional to 103,622.79, 142,997.91 and 58,300.83 is: 80,454.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,622.79 : 142,997.91 = 58,300.83 : x
  2. Step 2: Convert to fraction form
    103,622.79/142,997.91 = 58,300.83/x
  3. Step 3: Cross multiply
    103,622.79x = 142,997.91 × 58,300.83
  4. Step 4: Simplify right side
    103,622.79x = 8,336,896,622.64
  5. Step 5: Solve for x
    x = 8,336,896,622.64/103,622.79
  6. Step 6: Final answer
    x = 80,454.27

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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.