Home / 130,035.68-179,447.08-72,676.36

Finding the Fourth Proportional to 130,035.68, 179,447.08 and 72,676.36

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Solution

The fourth proportional to 130,035.68, 179,447.08 and 72,676.36 is: 100,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,035.68 : 179,447.08 = 72,676.36 : x
  2. Step 2: Convert to fraction form
    130,035.68/179,447.08 = 72,676.36/x
  3. Step 3: Cross multiply
    130,035.68x = 179,447.08 × 72,676.36
  4. Step 4: Simplify right side
    130,035.68x = 13,041,560,587.03
  5. Step 5: Solve for x
    x = 13,041,560,587.03/130,035.68
  6. Step 6: Final answer
    x = 100,292.17

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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.