Home / 145,989.42-218,984.13-57,284.70

Finding the Fourth Proportional to 145,989.42, 218,984.13 and 57,284.70

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Solution

The fourth proportional to 145,989.42, 218,984.13 and 57,284.70 is: 85,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,989.42 : 218,984.13 = 57,284.70 : x
  2. Step 2: Convert to fraction form
    145,989.42/218,984.13 = 57,284.70/x
  3. Step 3: Cross multiply
    145,989.42x = 218,984.13 × 57,284.70
  4. Step 4: Simplify right side
    145,989.42x = 12,544,440,191.81
  5. Step 5: Solve for x
    x = 12,544,440,191.81/145,989.42
  6. Step 6: Final answer
    x = 85,927.05

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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.