Home / 134,838.04-186,080.44-74,412.60

Finding the Fourth Proportional to 134,838.04, 186,080.44 and 74,412.60

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Solution

The fourth proportional to 134,838.04, 186,080.44 and 74,412.60 is: 102,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,838.04 : 186,080.44 = 74,412.60 : x
  2. Step 2: Convert to fraction form
    134,838.04/186,080.44 = 74,412.60/x
  3. Step 3: Cross multiply
    134,838.04x = 186,080.44 × 74,412.60
  4. Step 4: Simplify right side
    134,838.04x = 13,846,729,349.54
  5. Step 5: Solve for x
    x = 13,846,729,349.54/134,838.04
  6. Step 6: Final answer
    x = 102,691.57

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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.