Home / 96,988.08-145,507.44-30,430.32

Finding the Fourth Proportional to 96,988.08, 145,507.44 and 30,430.32

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Solution

The fourth proportional to 96,988.08, 145,507.44 and 30,430.32 is: 45,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,988.08 : 145,507.44 = 30,430.32 : x
  2. Step 2: Convert to fraction form
    96,988.08/145,507.44 = 30,430.32/x
  3. Step 3: Cross multiply
    96,988.08x = 145,507.44 × 30,430.32
  4. Step 4: Simplify right side
    96,988.08x = 4,427,837,961.58
  5. Step 5: Solve for x
    x = 4,427,837,961.58/96,988.08
  6. Step 6: Final answer
    x = 45,653.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.