Home / 145,514.76-218,272.23-40,334.64

Finding the Fourth Proportional to 145,514.76, 218,272.23 and 40,334.64

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Solution

The fourth proportional to 145,514.76, 218,272.23 and 40,334.64 is: 60,501.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,514.76 : 218,272.23 = 40,334.64 : x
  2. Step 2: Convert to fraction form
    145,514.76/218,272.23 = 40,334.64/x
  3. Step 3: Cross multiply
    145,514.76x = 218,272.23 × 40,334.64
  4. Step 4: Simplify right side
    145,514.76x = 8,803,931,819.05
  5. Step 5: Solve for x
    x = 8,803,931,819.05/145,514.76
  6. Step 6: Final answer
    x = 60,501.98

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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.