Home / 129,981.64-194,972.46-46,875.64

Finding the Fourth Proportional to 129,981.64, 194,972.46 and 46,875.64

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Solution

The fourth proportional to 129,981.64, 194,972.46 and 46,875.64 is: 70,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,981.64 : 194,972.46 = 46,875.64 : x
  2. Step 2: Convert to fraction form
    129,981.64/194,972.46 = 46,875.64/x
  3. Step 3: Cross multiply
    129,981.64x = 194,972.46 × 46,875.64
  4. Step 4: Simplify right side
    129,981.64x = 9,139,458,844.87
  5. Step 5: Solve for x
    x = 9,139,458,844.87/129,981.64
  6. Step 6: Final answer
    x = 70,313.46

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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.