Home / 76,210.32-114,322.95-26,283.78

Finding the Fourth Proportional to 76,210.32, 114,322.95 and 26,283.78

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Solution

The fourth proportional to 76,210.32, 114,322.95 and 26,283.78 is: 39,428.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,210.32 : 114,322.95 = 26,283.78 : x
  2. Step 2: Convert to fraction form
    76,210.32/114,322.95 = 26,283.78/x
  3. Step 3: Cross multiply
    76,210.32x = 114,322.95 × 26,283.78
  4. Step 4: Simplify right side
    76,210.32x = 3,004,839,266.75
  5. Step 5: Solve for x
    x = 3,004,839,266.75/76,210.32
  6. Step 6: Final answer
    x = 39,428.25

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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.