Home / 130,039.08-195,055.74-59,918.37

Finding the Fourth Proportional to 130,039.08, 195,055.74 and 59,918.37

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Solution

The fourth proportional to 130,039.08, 195,055.74 and 59,918.37 is: 89,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,039.08 : 195,055.74 = 59,918.37 : x
  2. Step 2: Convert to fraction form
    130,039.08/195,055.74 = 59,918.37/x
  3. Step 3: Cross multiply
    130,039.08x = 195,055.74 × 59,918.37
  4. Step 4: Simplify right side
    130,039.08x = 11,687,421,999.94
  5. Step 5: Solve for x
    x = 11,687,421,999.94/130,039.08
  6. Step 6: Final answer
    x = 89,876.23

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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.