Home / 130,041.90-195,111.45-51,211.08

Finding the Fourth Proportional to 130,041.90, 195,111.45 and 51,211.08

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Solution

The fourth proportional to 130,041.90, 195,111.45 and 51,211.08 is: 76,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,041.90 : 195,111.45 = 51,211.08 : x
  2. Step 2: Convert to fraction form
    130,041.90/195,111.45 = 51,211.08/x
  3. Step 3: Cross multiply
    130,041.90x = 195,111.45 × 51,211.08
  4. Step 4: Simplify right side
    130,041.90x = 9,991,868,074.87
  5. Step 5: Solve for x
    x = 9,991,868,074.87/130,041.90
  6. Step 6: Final answer
    x = 76,835.76

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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.