Home / 134,834.10-186,071.59-74,406.48

Finding the Fourth Proportional to 134,834.10, 186,071.59 and 74,406.48

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Solution

The fourth proportional to 134,834.10, 186,071.59 and 74,406.48 is: 102,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,834.10 : 186,071.59 = 74,406.48 : x
  2. Step 2: Convert to fraction form
    134,834.10/186,071.59 = 74,406.48/x
  3. Step 3: Cross multiply
    134,834.10x = 186,071.59 × 74,406.48
  4. Step 4: Simplify right side
    134,834.10x = 13,844,932,039.90
  5. Step 5: Solve for x
    x = 13,844,932,039.90/134,834.10
  6. Step 6: Final answer
    x = 102,681.24

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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.