Home / 147,853.63-204,038.01-80,785.63

Finding the Fourth Proportional to 147,853.63, 204,038.01 and 80,785.63

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Solution

The fourth proportional to 147,853.63, 204,038.01 and 80,785.63 is: 111,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,853.63 : 204,038.01 = 80,785.63 : x
  2. Step 2: Convert to fraction form
    147,853.63/204,038.01 = 80,785.63/x
  3. Step 3: Cross multiply
    147,853.63x = 204,038.01 × 80,785.63
  4. Step 4: Simplify right side
    147,853.63x = 16,483,337,757.68
  5. Step 5: Solve for x
    x = 16,483,337,757.68/147,853.63
  6. Step 6: Final answer
    x = 111,484.16

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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.