Home / 98,533.34-135,976-53,211.32

Finding the Fourth Proportional to 98,533.34, 135,976 and 53,211.32

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Solution

The fourth proportional to 98,533.34, 135,976 and 53,211.32 is: 73,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,533.34 : 135,976 = 53,211.32 : x
  2. Step 2: Convert to fraction form
    98,533.34/135,976 = 53,211.32/x
  3. Step 3: Cross multiply
    98,533.34x = 135,976 × 53,211.32
  4. Step 4: Simplify right side
    98,533.34x = 7,235,462,448.32
  5. Step 5: Solve for x
    x = 7,235,462,448.32/98,533.34
  6. Step 6: Final answer
    x = 73,431.62

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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.