Home / 145,018.12-217,527.18-39,837.64

Finding the Fourth Proportional to 145,018.12, 217,527.18 and 39,837.64

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Solution

The fourth proportional to 145,018.12, 217,527.18 and 39,837.64 is: 59,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,018.12 : 217,527.18 = 39,837.64 : x
  2. Step 2: Convert to fraction form
    145,018.12/217,527.18 = 39,837.64/x
  3. Step 3: Cross multiply
    145,018.12x = 217,527.18 × 39,837.64
  4. Step 4: Simplify right side
    145,018.12x = 8,665,769,487.06
  5. Step 5: Solve for x
    x = 8,665,769,487.06/145,018.12
  6. Step 6: Final answer
    x = 59,756.46

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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.