Home / 100,211.04-150,417.86-88,887.24

Finding the Fourth Proportional to 100,211.04, 150,417.86 and 88,887.24

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Solution

The fourth proportional to 100,211.04, 150,417.86 and 88,887.24 is: 133,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,211.04 : 150,417.86 = 88,887.24 : x
  2. Step 2: Convert to fraction form
    100,211.04/150,417.86 = 88,887.24/x
  3. Step 3: Cross multiply
    100,211.04x = 150,417.86 × 88,887.24
  4. Step 4: Simplify right side
    100,211.04x = 13,370,228,422.11
  5. Step 5: Solve for x
    x = 13,370,228,422.11/100,211.04
  6. Step 6: Final answer
    x = 133,420.71

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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.