Home / 130,350.66-195,599.96-70,378.34

Finding the Fourth Proportional to 130,350.66, 195,599.96 and 70,378.34

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Solution

The fourth proportional to 130,350.66, 195,599.96 and 70,378.34 is: 105,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,350.66 : 195,599.96 = 70,378.34 : x
  2. Step 2: Convert to fraction form
    130,350.66/195,599.96 = 70,378.34/x
  3. Step 3: Cross multiply
    130,350.66x = 195,599.96 × 70,378.34
  4. Step 4: Simplify right side
    130,350.66x = 13,765,999,158.97
  5. Step 5: Solve for x
    x = 13,765,999,158.97/130,350.66
  6. Step 6: Final answer
    x = 105,607.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.