Home / 147,508.10-203,508.69-87,048.49

Finding the Fourth Proportional to 147,508.10, 203,508.69 and 87,048.49

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Solution

The fourth proportional to 147,508.10, 203,508.69 and 87,048.49 is: 120,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,508.10 : 203,508.69 = 87,048.49 : x
  2. Step 2: Convert to fraction form
    147,508.10/203,508.69 = 87,048.49/x
  3. Step 3: Cross multiply
    147,508.10x = 203,508.69 × 87,048.49
  4. Step 4: Simplify right side
    147,508.10x = 17,715,124,166.38
  5. Step 5: Solve for x
    x = 17,715,124,166.38/147,508.10
  6. Step 6: Final answer
    x = 120,095.94

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1.5x scale

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.