Home / 90,122.36-124,327.46-58,301.51

Finding the Fourth Proportional to 90,122.36, 124,327.46 and 58,301.51

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Solution

The fourth proportional to 90,122.36, 124,327.46 and 58,301.51 is: 80,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,122.36 : 124,327.46 = 58,301.51 : x
  2. Step 2: Convert to fraction form
    90,122.36/124,327.46 = 58,301.51/x
  3. Step 3: Cross multiply
    90,122.36x = 124,327.46 × 58,301.51
  4. Step 4: Simplify right side
    90,122.36x = 7,248,478,360.96
  5. Step 5: Solve for x
    x = 7,248,478,360.96/90,122.36
  6. Step 6: Final answer
    x = 80,429.30

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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.