Home / 134,837.04-186,079.06-74,411.60

Finding the Fourth Proportional to 134,837.04, 186,079.06 and 74,411.60

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Solution

The fourth proportional to 134,837.04, 186,079.06 and 74,411.60 is: 102,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,837.04 : 186,079.06 = 74,411.60 : x
  2. Step 2: Convert to fraction form
    134,837.04/186,079.06 = 74,411.60/x
  3. Step 3: Cross multiply
    134,837.04x = 186,079.06 × 74,411.60
  4. Step 4: Simplify right side
    134,837.04x = 13,846,439,743.72
  5. Step 5: Solve for x
    x = 13,846,439,743.72/134,837.04
  6. Step 6: Final answer
    x = 102,690.18

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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.