Home / 130,251.03-179,706.74-72,884.40

Finding the Fourth Proportional to 130,251.03, 179,706.74 and 72,884.40

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Solution

The fourth proportional to 130,251.03, 179,706.74 and 72,884.40 is: 100,558.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,251.03 : 179,706.74 = 72,884.40 : x
  2. Step 2: Convert to fraction form
    130,251.03/179,706.74 = 72,884.40/x
  3. Step 3: Cross multiply
    130,251.03x = 179,706.74 × 72,884.40
  4. Step 4: Simplify right side
    130,251.03x = 13,097,817,556.43
  5. Step 5: Solve for x
    x = 13,097,817,556.43/130,251.03
  6. Step 6: Final answer
    x = 100,558.26

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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.