Home / 255,187.10-352,159.44-140,477.22

Finding the Fourth Proportional to 255,187.10, 352,159.44 and 140,477.22

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Solution

The fourth proportional to 255,187.10, 352,159.44 and 140,477.22 is: 193,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,187.10 : 352,159.44 = 140,477.22 : x
  2. Step 2: Convert to fraction form
    255,187.10/352,159.44 = 140,477.22/x
  3. Step 3: Cross multiply
    255,187.10x = 352,159.44 × 140,477.22
  4. Step 4: Simplify right side
    255,187.10x = 49,470,379,127.96
  5. Step 5: Solve for x
    x = 49,470,379,127.96/255,187.10
  6. Step 6: Final answer
    x = 193,859.25

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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.