Home / 77,458.32-116,188.70-30,076.16

Finding the Fourth Proportional to 77,458.32, 116,188.70 and 30,076.16

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Solution

The fourth proportional to 77,458.32, 116,188.70 and 30,076.16 is: 45,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,458.32 : 116,188.70 = 30,076.16 : x
  2. Step 2: Convert to fraction form
    77,458.32/116,188.70 = 30,076.16/x
  3. Step 3: Cross multiply
    77,458.32x = 116,188.70 × 30,076.16
  4. Step 4: Simplify right side
    77,458.32x = 3,494,509,931.39
  5. Step 5: Solve for x
    x = 3,494,509,931.39/77,458.32
  6. Step 6: Final answer
    x = 45,114.71

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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.