Home / 145,746.75-218,620.13-40,568.45

Finding the Fourth Proportional to 145,746.75, 218,620.13 and 40,568.45

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Solution

The fourth proportional to 145,746.75, 218,620.13 and 40,568.45 is: 60,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,746.75 : 218,620.13 = 40,568.45 : x
  2. Step 2: Convert to fraction form
    145,746.75/218,620.13 = 40,568.45/x
  3. Step 3: Cross multiply
    145,746.75x = 218,620.13 × 40,568.45
  4. Step 4: Simplify right side
    145,746.75x = 8,869,080,156.61
  5. Step 5: Solve for x
    x = 8,869,080,156.61/145,746.75
  6. Step 6: Final answer
    x = 60,852.68

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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.