Home / 179,485.76-247,678.88-98,899.52

Finding the Fourth Proportional to 179,485.76, 247,678.88 and 98,899.52

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Solution

The fourth proportional to 179,485.76, 247,678.88 and 98,899.52 is: 136,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,485.76 : 247,678.88 = 98,899.52 : x
  2. Step 2: Convert to fraction form
    179,485.76/247,678.88 = 98,899.52/x
  3. Step 3: Cross multiply
    179,485.76x = 247,678.88 × 98,899.52
  4. Step 4: Simplify right side
    179,485.76x = 24,495,322,346.14
  5. Step 5: Solve for x
    x = 24,495,322,346.14/179,485.76
  6. Step 6: Final answer
    x = 136,475.02

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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.