Home / 255,055.74-351,984.48-140,346.24

Finding the Fourth Proportional to 255,055.74, 351,984.48 and 140,346.24

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Solution

The fourth proportional to 255,055.74, 351,984.48 and 140,346.24 is: 193,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,055.74 : 351,984.48 = 140,346.24 : x
  2. Step 2: Convert to fraction form
    255,055.74/351,984.48 = 140,346.24/x
  3. Step 3: Cross multiply
    255,055.74x = 351,984.48 × 140,346.24
  4. Step 4: Simplify right side
    255,055.74x = 49,399,698,306.36
  5. Step 5: Solve for x
    x = 49,399,698,306.36/255,055.74
  6. Step 6: Final answer
    x = 193,681.97

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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.