Home / 130,204.30-179,683.36-76,491.58

Finding the Fourth Proportional to 130,204.30, 179,683.36 and 76,491.58

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Solution

The fourth proportional to 130,204.30, 179,683.36 and 76,491.58 is: 105,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,204.30 : 179,683.36 = 76,491.58 : x
  2. Step 2: Convert to fraction form
    130,204.30/179,683.36 = 76,491.58/x
  3. Step 3: Cross multiply
    130,204.30x = 179,683.36 × 76,491.58
  4. Step 4: Simplify right side
    130,204.30x = 13,744,264,106.11
  5. Step 5: Solve for x
    x = 13,744,264,106.11/130,204.30
  6. Step 6: Final answer
    x = 105,559.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.