Home / 255,430.21-352,439.76-147,993.70

Finding the Fourth Proportional to 255,430.21, 352,439.76 and 147,993.70

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Solution

The fourth proportional to 255,430.21, 352,439.76 and 147,993.70 is: 204,200.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,430.21 : 352,439.76 = 147,993.70 : x
  2. Step 2: Convert to fraction form
    255,430.21/352,439.76 = 147,993.70/x
  3. Step 3: Cross multiply
    255,430.21x = 352,439.76 × 147,993.70
  4. Step 4: Simplify right side
    255,430.21x = 52,158,864,109.51
  5. Step 5: Solve for x
    x = 52,158,864,109.51/255,430.21
  6. Step 6: Final answer
    x = 204,200.06

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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.