Home / 93,278.46-128,727-50,839.74

Finding the Fourth Proportional to 93,278.46, 128,727 and 50,839.74

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Solution

The fourth proportional to 93,278.46, 128,727 and 50,839.74 is: 70,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,278.46 : 128,727 = 50,839.74 : x
  2. Step 2: Convert to fraction form
    93,278.46/128,727 = 50,839.74/x
  3. Step 3: Cross multiply
    93,278.46x = 128,727 × 50,839.74
  4. Step 4: Simplify right side
    93,278.46x = 6,544,447,210.98
  5. Step 5: Solve for x
    x = 6,544,447,210.98/93,278.46
  6. Step 6: Final answer
    x = 70,160.33

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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.