Home / 90,189.77-124,407.65-59,563.14

Finding the Fourth Proportional to 90,189.77, 124,407.65 and 59,563.14

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Solution

The fourth proportional to 90,189.77, 124,407.65 and 59,563.14 is: 82,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,189.77 : 124,407.65 = 59,563.14 : x
  2. Step 2: Convert to fraction form
    90,189.77/124,407.65 = 59,563.14/x
  3. Step 3: Cross multiply
    90,189.77x = 124,407.65 × 59,563.14
  4. Step 4: Simplify right side
    90,189.77x = 7,410,109,976.21
  5. Step 5: Solve for x
    x = 7,410,109,976.21/90,189.77
  6. Step 6: Final answer
    x = 82,161.32

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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.