Home / 112,021.70-154,588.73-64,282.55

Finding the Fourth Proportional to 112,021.70, 154,588.73 and 64,282.55

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Solution

The fourth proportional to 112,021.70, 154,588.73 and 64,282.55 is: 88,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,021.70 : 154,588.73 = 64,282.55 : x
  2. Step 2: Convert to fraction form
    112,021.70/154,588.73 = 64,282.55/x
  3. Step 3: Cross multiply
    112,021.70x = 154,588.73 × 64,282.55
  4. Step 4: Simplify right side
    112,021.70x = 9,937,356,671.31
  5. Step 5: Solve for x
    x = 9,937,356,671.31/112,021.70
  6. Step 6: Final answer
    x = 88,709.22

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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.