Home / 145,983.76-218,975.64-35,175.76

Finding the Fourth Proportional to 145,983.76, 218,975.64 and 35,175.76

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Solution

The fourth proportional to 145,983.76, 218,975.64 and 35,175.76 is: 52,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,983.76 : 218,975.64 = 35,175.76 : x
  2. Step 2: Convert to fraction form
    145,983.76/218,975.64 = 35,175.76/x
  3. Step 3: Cross multiply
    145,983.76x = 218,975.64 × 35,175.76
  4. Step 4: Simplify right side
    145,983.76x = 7,702,634,558.49
  5. Step 5: Solve for x
    x = 7,702,634,558.49/145,983.76
  6. Step 6: Final answer
    x = 52,763.64

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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.