Home / 188,735.60-260,457.76-103,856.24

Finding the Fourth Proportional to 188,735.60, 260,457.76 and 103,856.24

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Solution

The fourth proportional to 188,735.60, 260,457.76 and 103,856.24 is: 143,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,735.60 : 260,457.76 = 103,856.24 : x
  2. Step 2: Convert to fraction form
    188,735.60/260,457.76 = 103,856.24/x
  3. Step 3: Cross multiply
    188,735.60x = 260,457.76 × 103,856.24
  4. Step 4: Simplify right side
    188,735.60x = 27,050,163,632.42
  5. Step 5: Solve for x
    x = 27,050,163,632.42/188,735.60
  6. Step 6: Final answer
    x = 143,323.06

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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.