Home / 100,289.34-138,394.44-60,025.32

Finding the Fourth Proportional to 100,289.34, 138,394.44 and 60,025.32

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Solution

The fourth proportional to 100,289.34, 138,394.44 and 60,025.32 is: 82,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,289.34 : 138,394.44 = 60,025.32 : x
  2. Step 2: Convert to fraction form
    100,289.34/138,394.44 = 60,025.32/x
  3. Step 3: Cross multiply
    100,289.34x = 138,394.44 × 60,025.32
  4. Step 4: Simplify right side
    100,289.34x = 8,307,170,547.22
  5. Step 5: Solve for x
    x = 8,307,170,547.22/100,289.34
  6. Step 6: Final answer
    x = 82,832.04

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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.