Home / 145,565.46-218,346.98-40,384.44

Finding the Fourth Proportional to 145,565.46, 218,346.98 and 40,384.44

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Solution

The fourth proportional to 145,565.46, 218,346.98 and 40,384.44 is: 60,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,565.46 : 218,346.98 = 40,384.44 : x
  2. Step 2: Convert to fraction form
    145,565.46/218,346.98 = 40,384.44/x
  3. Step 3: Cross multiply
    145,565.46x = 218,346.98 × 40,384.44
  4. Step 4: Simplify right side
    145,565.46x = 8,817,820,311.07
  5. Step 5: Solve for x
    x = 8,817,820,311.07/145,565.46
  6. Step 6: Final answer
    x = 60,576.32

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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.