Home / 124,620.36-171,973.84-70,904.20

Finding the Fourth Proportional to 124,620.36, 171,973.84 and 70,904.20

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Solution

The fourth proportional to 124,620.36, 171,973.84 and 70,904.20 is: 97,846.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,620.36 : 171,973.84 = 70,904.20 : x
  2. Step 2: Convert to fraction form
    124,620.36/171,973.84 = 70,904.20/x
  3. Step 3: Cross multiply
    124,620.36x = 171,973.84 × 70,904.20
  4. Step 4: Simplify right side
    124,620.36x = 12,193,667,546.13
  5. Step 5: Solve for x
    x = 12,193,667,546.13/124,620.36
  6. Step 6: Final answer
    x = 97,846.51

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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.