Home / 130,419.61-195,374.73-89,885.87

Finding the Fourth Proportional to 130,419.61, 195,374.73 and 89,885.87

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Solution

The fourth proportional to 130,419.61, 195,374.73 and 89,885.87 is: 134,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,419.61 : 195,374.73 = 89,885.87 : x
  2. Step 2: Convert to fraction form
    130,419.61/195,374.73 = 89,885.87/x
  3. Step 3: Cross multiply
    130,419.61x = 195,374.73 × 89,885.87
  4. Step 4: Simplify right side
    130,419.61x = 17,561,427,582.07
  5. Step 5: Solve for x
    x = 17,561,427,582.07/130,419.61
  6. Step 6: Final answer
    x = 134,653.27

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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.