Home / 145,449.44-218,176.86-45,607.40

Finding the Fourth Proportional to 145,449.44, 218,176.86 and 45,607.40

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Solution

The fourth proportional to 145,449.44, 218,176.86 and 45,607.40 is: 68,411.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,449.44 : 218,176.86 = 45,607.40 : x
  2. Step 2: Convert to fraction form
    145,449.44/218,176.86 = 45,607.40/x
  3. Step 3: Cross multiply
    145,449.44x = 218,176.86 × 45,607.40
  4. Step 4: Simplify right side
    145,449.44x = 9,950,479,324.76
  5. Step 5: Solve for x
    x = 9,950,479,324.76/145,449.44
  6. Step 6: Final answer
    x = 68,411.95

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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.