Home / 134,803.04-186,029.96-74,376.16

Finding the Fourth Proportional to 134,803.04, 186,029.96 and 74,376.16

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Solution

The fourth proportional to 134,803.04, 186,029.96 and 74,376.16 is: 102,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,803.04 : 186,029.96 = 74,376.16 : x
  2. Step 2: Convert to fraction form
    134,803.04/186,029.96 = 74,376.16/x
  3. Step 3: Cross multiply
    134,803.04x = 186,029.96 × 74,376.16
  4. Step 4: Simplify right side
    134,803.04x = 13,836,194,069.75
  5. Step 5: Solve for x
    x = 13,836,194,069.75/134,803.04
  6. Step 6: Final answer
    x = 102,640.07

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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.