Home / 130,110.75-179,552.84-70,494.75

Finding the Fourth Proportional to 130,110.75, 179,552.84 and 70,494.75

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Solution

The fourth proportional to 130,110.75, 179,552.84 and 70,494.75 is: 97,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,110.75 : 179,552.84 = 70,494.75 : x
  2. Step 2: Convert to fraction form
    130,110.75/179,552.84 = 70,494.75/x
  3. Step 3: Cross multiply
    130,110.75x = 179,552.84 × 70,494.75
  4. Step 4: Simplify right side
    130,110.75x = 12,657,532,215.12
  5. Step 5: Solve for x
    x = 12,657,532,215.12/130,110.75
  6. Step 6: Final answer
    x = 97,282.76

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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.