Home / 255,187.40-352,160.87-142,010.15

Finding the Fourth Proportional to 255,187.40, 352,160.87 and 142,010.15

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Solution

The fourth proportional to 255,187.40, 352,160.87 and 142,010.15 is: 195,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,187.40 : 352,160.87 = 142,010.15 : x
  2. Step 2: Convert to fraction form
    255,187.40/352,160.87 = 142,010.15/x
  3. Step 3: Cross multiply
    255,187.40x = 352,160.87 × 142,010.15
  4. Step 4: Simplify right side
    255,187.40x = 50,010,415,501.98
  5. Step 5: Solve for x
    x = 50,010,415,501.98/255,187.40
  6. Step 6: Final answer
    x = 195,975.26

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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.