Home / 100,346.85-150,534.86-53,574.21

Finding the Fourth Proportional to 100,346.85, 150,534.86 and 53,574.21

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Solution

The fourth proportional to 100,346.85, 150,534.86 and 53,574.21 is: 80,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,346.85 : 150,534.86 = 53,574.21 : x
  2. Step 2: Convert to fraction form
    100,346.85/150,534.86 = 53,574.21/x
  3. Step 3: Cross multiply
    100,346.85x = 150,534.86 × 53,574.21
  4. Step 4: Simplify right side
    100,346.85x = 8,064,785,934.09
  5. Step 5: Solve for x
    x = 8,064,785,934.09/100,346.85
  6. Step 6: Final answer
    x = 80,369.10

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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.