Home / 130,254.08-195,158.24-71,131.36

Finding the Fourth Proportional to 130,254.08, 195,158.24 and 71,131.36

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Solution

The fourth proportional to 130,254.08, 195,158.24 and 71,131.36 is: 106,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,254.08 : 195,158.24 = 71,131.36 : x
  2. Step 2: Convert to fraction form
    130,254.08/195,158.24 = 71,131.36/x
  3. Step 3: Cross multiply
    130,254.08x = 195,158.24 × 71,131.36
  4. Step 4: Simplify right side
    130,254.08x = 13,881,871,026.41
  5. Step 5: Solve for x
    x = 13,881,871,026.41/130,254.08
  6. Step 6: Final answer
    x = 106,575.33

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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.