Home / 145,018.62-217,527.93-39,838.14

Finding the Fourth Proportional to 145,018.62, 217,527.93 and 39,838.14

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Solution

The fourth proportional to 145,018.62, 217,527.93 and 39,838.14 is: 59,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,018.62 : 217,527.93 = 39,838.14 : x
  2. Step 2: Convert to fraction form
    145,018.62/217,527.93 = 39,838.14/x
  3. Step 3: Cross multiply
    145,018.62x = 217,527.93 × 39,838.14
  4. Step 4: Simplify right side
    145,018.62x = 8,665,908,129.25
  5. Step 5: Solve for x
    x = 8,665,908,129.25/145,018.62
  6. Step 6: Final answer
    x = 59,757.21

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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.