Home / 145,444.26-218,141.70-40,238.64

Finding the Fourth Proportional to 145,444.26, 218,141.70 and 40,238.64

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Solution

The fourth proportional to 145,444.26, 218,141.70 and 40,238.64 is: 60,351.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,444.26 : 218,141.70 = 40,238.64 : x
  2. Step 2: Convert to fraction form
    145,444.26/218,141.70 = 40,238.64/x
  3. Step 3: Cross multiply
    145,444.26x = 218,141.70 × 40,238.64
  4. Step 4: Simplify right side
    145,444.26x = 8,777,725,335.29
  5. Step 5: Solve for x
    x = 8,777,725,335.29/145,444.26
  6. Step 6: Final answer
    x = 60,351.13

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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.