Home / 103,393.36-142,682.34-58,071.34

Finding the Fourth Proportional to 103,393.36, 142,682.34 and 58,071.34

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Solution

The fourth proportional to 103,393.36, 142,682.34 and 58,071.34 is: 80,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,393.36 : 142,682.34 = 58,071.34 : x
  2. Step 2: Convert to fraction form
    103,393.36/142,682.34 = 58,071.34/x
  3. Step 3: Cross multiply
    103,393.36x = 142,682.34 × 58,071.34
  4. Step 4: Simplify right side
    103,393.36x = 8,285,754,678.14
  5. Step 5: Solve for x
    x = 8,285,754,678.14/103,393.36
  6. Step 6: Final answer
    x = 80,138.17

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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.