Home / 147,748.04-203,865.22-87,328.52

Finding the Fourth Proportional to 147,748.04, 203,865.22 and 87,328.52

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Solution

The fourth proportional to 147,748.04, 203,865.22 and 87,328.52 is: 120,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,748.04 : 203,865.22 = 87,328.52 : x
  2. Step 2: Convert to fraction form
    147,748.04/203,865.22 = 87,328.52/x
  3. Step 3: Cross multiply
    147,748.04x = 203,865.22 × 87,328.52
  4. Step 4: Simplify right side
    147,748.04x = 17,803,247,942.07
  5. Step 5: Solve for x
    x = 17,803,247,942.07/147,748.04
  6. Step 6: Final answer
    x = 120,497.35

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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.