Home / 130,457.43-180,028.02-73,099.11

Finding the Fourth Proportional to 130,457.43, 180,028.02 and 73,099.11

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Solution

The fourth proportional to 130,457.43, 180,028.02 and 73,099.11 is: 100,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,457.43 : 180,028.02 = 73,099.11 : x
  2. Step 2: Convert to fraction form
    130,457.43/180,028.02 = 73,099.11/x
  3. Step 3: Cross multiply
    130,457.43x = 180,028.02 × 73,099.11
  4. Step 4: Simplify right side
    130,457.43x = 13,159,888,037.06
  5. Step 5: Solve for x
    x = 13,159,888,037.06/130,457.43
  6. Step 6: Final answer
    x = 100,874.96

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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.