Home / 147,903.56-204,148.77-87,495.20

Finding the Fourth Proportional to 147,903.56, 204,148.77 and 87,495.20

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Solution

The fourth proportional to 147,903.56, 204,148.77 and 87,495.20 is: 120,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,903.56 : 204,148.77 = 87,495.20 : x
  2. Step 2: Convert to fraction form
    147,903.56/204,148.77 = 87,495.20/x
  3. Step 3: Cross multiply
    147,903.56x = 204,148.77 × 87,495.20
  4. Step 4: Simplify right side
    147,903.56x = 17,862,037,460.90
  5. Step 5: Solve for x
    x = 17,862,037,460.90/147,903.56
  6. Step 6: Final answer
    x = 120,768.14

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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.