Home / 134,869.64-186,106.84-74,436.38

Finding the Fourth Proportional to 134,869.64, 186,106.84 and 74,436.38

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Solution

The fourth proportional to 134,869.64, 186,106.84 and 74,436.38 is: 102,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,869.64 : 186,106.84 = 74,436.38 : x
  2. Step 2: Convert to fraction form
    134,869.64/186,106.84 = 74,436.38/x
  3. Step 3: Cross multiply
    134,869.64x = 186,106.84 × 74,436.38
  4. Step 4: Simplify right side
    134,869.64x = 13,853,119,742.02
  5. Step 5: Solve for x
    x = 13,853,119,742.02/134,869.64
  6. Step 6: Final answer
    x = 102,714.89

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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.