Home / 145,518.24-218,255.76-40,326.24

Finding the Fourth Proportional to 145,518.24, 218,255.76 and 40,326.24

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Solution

The fourth proportional to 145,518.24, 218,255.76 and 40,326.24 is: 60,483.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,518.24 : 218,255.76 = 40,326.24 : x
  2. Step 2: Convert to fraction form
    145,518.24/218,255.76 = 40,326.24/x
  3. Step 3: Cross multiply
    145,518.24x = 218,255.76 × 40,326.24
  4. Step 4: Simplify right side
    145,518.24x = 8,801,434,159.14
  5. Step 5: Solve for x
    x = 8,801,434,159.14/145,518.24
  6. Step 6: Final answer
    x = 60,483.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.