Home / 134,715.58-185,903.28-74,288.80

Finding the Fourth Proportional to 134,715.58, 185,903.28 and 74,288.80

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Solution

The fourth proportional to 134,715.58, 185,903.28 and 74,288.80 is: 102,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,715.58 : 185,903.28 = 74,288.80 : x
  2. Step 2: Convert to fraction form
    134,715.58/185,903.28 = 74,288.80/x
  3. Step 3: Cross multiply
    134,715.58x = 185,903.28 × 74,288.80
  4. Step 4: Simplify right side
    134,715.58x = 13,810,531,587.26
  5. Step 5: Solve for x
    x = 13,810,531,587.26/134,715.58
  6. Step 6: Final answer
    x = 102,516.22

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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.