Home / 101,158.04-139,577.25-58,129.22

Finding the Fourth Proportional to 101,158.04, 139,577.25 and 58,129.22

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Solution

The fourth proportional to 101,158.04, 139,577.25 and 58,129.22 is: 80,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,158.04 : 139,577.25 = 58,129.22 : x
  2. Step 2: Convert to fraction form
    101,158.04/139,577.25 = 58,129.22/x
  3. Step 3: Cross multiply
    101,158.04x = 139,577.25 × 58,129.22
  4. Step 4: Simplify right side
    101,158.04x = 8,113,515,974.36
  5. Step 5: Solve for x
    x = 8,113,515,974.36/101,158.04
  6. Step 6: Final answer
    x = 80,206.34

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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.