Home / 145,790.56-218,685.84-40,612.24

Finding the Fourth Proportional to 145,790.56, 218,685.84 and 40,612.24

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Solution

The fourth proportional to 145,790.56, 218,685.84 and 40,612.24 is: 60,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,790.56 : 218,685.84 = 40,612.24 : x
  2. Step 2: Convert to fraction form
    145,790.56/218,685.84 = 40,612.24/x
  3. Step 3: Cross multiply
    145,790.56x = 218,685.84 × 40,612.24
  4. Step 4: Simplify right side
    145,790.56x = 8,881,321,818.68
  5. Step 5: Solve for x
    x = 8,881,321,818.68/145,790.56
  6. Step 6: Final answer
    x = 60,918.36

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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.