Home / 130,622.04-195,988.53-71,388.51

Finding the Fourth Proportional to 130,622.04, 195,988.53 and 71,388.51

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Solution

The fourth proportional to 130,622.04, 195,988.53 and 71,388.51 is: 107,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,622.04 : 195,988.53 = 71,388.51 : x
  2. Step 2: Convert to fraction form
    130,622.04/195,988.53 = 71,388.51/x
  3. Step 3: Cross multiply
    130,622.04x = 195,988.53 × 71,388.51
  4. Step 4: Simplify right side
    130,622.04x = 13,991,328,153.85
  5. Step 5: Solve for x
    x = 13,991,328,153.85/130,622.04
  6. Step 6: Final answer
    x = 107,113.08

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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.