Home / 145,531.78-218,297.67-40,350.75

Finding the Fourth Proportional to 145,531.78, 218,297.67 and 40,350.75

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Solution

The fourth proportional to 145,531.78, 218,297.67 and 40,350.75 is: 60,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,531.78 : 218,297.67 = 40,350.75 : x
  2. Step 2: Convert to fraction form
    145,531.78/218,297.67 = 40,350.75/x
  3. Step 3: Cross multiply
    145,531.78x = 218,297.67 × 40,350.75
  4. Step 4: Simplify right side
    145,531.78x = 8,808,474,707.75
  5. Step 5: Solve for x
    x = 8,808,474,707.75/145,531.78
  6. Step 6: Final answer
    x = 60,526.13

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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.