Home / 145,684.15-218,560.03-45,841.74

Finding the Fourth Proportional to 145,684.15, 218,560.03 and 45,841.74

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Solution

The fourth proportional to 145,684.15, 218,560.03 and 45,841.74 is: 68,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,684.15 : 218,560.03 = 45,841.74 : x
  2. Step 2: Convert to fraction form
    145,684.15/218,560.03 = 45,841.74/x
  3. Step 3: Cross multiply
    145,684.15x = 218,560.03 × 45,841.74
  4. Step 4: Simplify right side
    145,684.15x = 10,019,171,955.05
  5. Step 5: Solve for x
    x = 10,019,171,955.05/145,684.15
  6. Step 6: Final answer
    x = 68,773.25

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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.