Home / 134,923.07-186,210.24-78,334.44

Finding the Fourth Proportional to 134,923.07, 186,210.24 and 78,334.44

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Solution

The fourth proportional to 134,923.07, 186,210.24 and 78,334.44 is: 108,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,923.07 : 186,210.24 = 78,334.44 : x
  2. Step 2: Convert to fraction form
    134,923.07/186,210.24 = 78,334.44/x
  3. Step 3: Cross multiply
    134,923.07x = 186,210.24 × 78,334.44
  4. Step 4: Simplify right side
    134,923.07x = 14,586,674,480.99
  5. Step 5: Solve for x
    x = 14,586,674,480.99/134,923.07
  6. Step 6: Final answer
    x = 108,111.05

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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.