Home / 130,417.63-195,494.10-74,141.47

Finding the Fourth Proportional to 130,417.63, 195,494.10 and 74,141.47

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Solution

The fourth proportional to 130,417.63, 195,494.10 and 74,141.47 is: 111,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,417.63 : 195,494.10 = 74,141.47 : x
  2. Step 2: Convert to fraction form
    130,417.63/195,494.10 = 74,141.47/x
  3. Step 3: Cross multiply
    130,417.63x = 195,494.10 × 74,141.47
  4. Step 4: Simplify right side
    130,417.63x = 14,494,219,950.33
  5. Step 5: Solve for x
    x = 14,494,219,950.33/130,417.63
  6. Step 6: Final answer
    x = 111,136.97

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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.