Home / 115,768.48-159,586.32-90,574.24

Finding the Fourth Proportional to 115,768.48, 159,586.32 and 90,574.24

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Solution

The fourth proportional to 115,768.48, 159,586.32 and 90,574.24 is: 124,856.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,768.48 : 159,586.32 = 90,574.24 : x
  2. Step 2: Convert to fraction form
    115,768.48/159,586.32 = 90,574.24/x
  3. Step 3: Cross multiply
    115,768.48x = 159,586.32 × 90,574.24
  4. Step 4: Simplify right side
    115,768.48x = 14,454,409,648.40
  5. Step 5: Solve for x
    x = 14,454,409,648.40/115,768.48
  6. Step 6: Final answer
    x = 124,856.18

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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.