Home / 110,087.90-151,918.73-64,768.81

Finding the Fourth Proportional to 110,087.90, 151,918.73 and 64,768.81

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Solution

The fourth proportional to 110,087.90, 151,918.73 and 64,768.81 is: 89,379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,087.90 : 151,918.73 = 64,768.81 : x
  2. Step 2: Convert to fraction form
    110,087.90/151,918.73 = 64,768.81/x
  3. Step 3: Cross multiply
    110,087.90x = 151,918.73 × 64,768.81
  4. Step 4: Simplify right side
    110,087.90x = 9,839,594,937.79
  5. Step 5: Solve for x
    x = 9,839,594,937.79/110,087.90
  6. Step 6: Final answer
    x = 89,379.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.