Home / 102,688.32-154,036.80-50,144.16

Finding the Fourth Proportional to 102,688.32, 154,036.80 and 50,144.16

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Solution

The fourth proportional to 102,688.32, 154,036.80 and 50,144.16 is: 75,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,688.32 : 154,036.80 = 50,144.16 : x
  2. Step 2: Convert to fraction form
    102,688.32/154,036.80 = 50,144.16/x
  3. Step 3: Cross multiply
    102,688.32x = 154,036.80 × 50,144.16
  4. Step 4: Simplify right side
    102,688.32x = 7,724,045,945.09
  5. Step 5: Solve for x
    x = 7,724,045,945.09/102,688.32
  6. Step 6: Final answer
    x = 75,218.35

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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.