Home / 130,497.47-195,432.09-74,199.86

Finding the Fourth Proportional to 130,497.47, 195,432.09 and 74,199.86

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Solution

The fourth proportional to 130,497.47, 195,432.09 and 74,199.86 is: 111,121.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,497.47 : 195,432.09 = 74,199.86 : x
  2. Step 2: Convert to fraction form
    130,497.47/195,432.09 = 74,199.86/x
  3. Step 3: Cross multiply
    130,497.47x = 195,432.09 × 74,199.86
  4. Step 4: Simplify right side
    130,497.47x = 14,501,032,740.35
  5. Step 5: Solve for x
    x = 14,501,032,740.35/130,497.47
  6. Step 6: Final answer
    x = 111,121.18

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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.