Home / 110,533.92-152,626.80-90,119.28

Finding the Fourth Proportional to 110,533.92, 152,626.80 and 90,119.28

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Solution

The fourth proportional to 110,533.92, 152,626.80 and 90,119.28 is: 124,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,533.92 : 152,626.80 = 90,119.28 : x
  2. Step 2: Convert to fraction form
    110,533.92/152,626.80 = 90,119.28/x
  3. Step 3: Cross multiply
    110,533.92x = 152,626.80 × 90,119.28
  4. Step 4: Simplify right side
    110,533.92x = 13,754,617,324.70
  5. Step 5: Solve for x
    x = 13,754,617,324.70/110,533.92
  6. Step 6: Final answer
    x = 124,437.98

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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.