Home / 99,764.01-149,561.74-46,428.47

Finding the Fourth Proportional to 99,764.01, 149,561.74 and 46,428.47

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Solution

The fourth proportional to 99,764.01, 149,561.74 and 46,428.47 is: 69,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,764.01 : 149,561.74 = 46,428.47 : x
  2. Step 2: Convert to fraction form
    99,764.01/149,561.74 = 46,428.47/x
  3. Step 3: Cross multiply
    99,764.01x = 149,561.74 × 46,428.47
  4. Step 4: Simplify right side
    99,764.01x = 6,943,922,629.82
  5. Step 5: Solve for x
    x = 6,943,922,629.82/99,764.01
  6. Step 6: Final answer
    x = 69,603.48

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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.