Home / 130,160.79-195,191.91-70,964.24

Finding the Fourth Proportional to 130,160.79, 195,191.91 and 70,964.24

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Solution

The fourth proportional to 130,160.79, 195,191.91 and 70,964.24 is: 106,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,160.79 : 195,191.91 = 70,964.24 : x
  2. Step 2: Convert to fraction form
    130,160.79/195,191.91 = 70,964.24/x
  3. Step 3: Cross multiply
    130,160.79x = 195,191.91 × 70,964.24
  4. Step 4: Simplify right side
    130,160.79x = 13,851,644,571.34
  5. Step 5: Solve for x
    x = 13,851,644,571.34/130,160.79
  6. Step 6: Final answer
    x = 106,419.49

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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.