Home / 100,152.36-150,218.78-26,280.36

Finding the Fourth Proportional to 100,152.36, 150,218.78 and 26,280.36

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Solution

The fourth proportional to 100,152.36, 150,218.78 and 26,280.36 is: 39,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,152.36 : 150,218.78 = 26,280.36 : x
  2. Step 2: Convert to fraction form
    100,152.36/150,218.78 = 26,280.36/x
  3. Step 3: Cross multiply
    100,152.36x = 150,218.78 × 26,280.36
  4. Step 4: Simplify right side
    100,152.36x = 3,947,803,617.16
  5. Step 5: Solve for x
    x = 3,947,803,617.16/100,152.36
  6. Step 6: Final answer
    x = 39,417.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.