Home / 155,230.50-214,218.36-88,162.50

Finding the Fourth Proportional to 155,230.50, 214,218.36 and 88,162.50

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Solution

The fourth proportional to 155,230.50, 214,218.36 and 88,162.50 is: 121,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,230.50 : 214,218.36 = 88,162.50 : x
  2. Step 2: Convert to fraction form
    155,230.50/214,218.36 = 88,162.50/x
  3. Step 3: Cross multiply
    155,230.50x = 214,218.36 × 88,162.50
  4. Step 4: Simplify right side
    155,230.50x = 18,886,026,163.50
  5. Step 5: Solve for x
    x = 18,886,026,163.50/155,230.50
  6. Step 6: Final answer
    x = 121,664.40

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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.