Home / 124,795.28-172,297.94-111,343.21

Finding the Fourth Proportional to 124,795.28, 172,297.94 and 111,343.21

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Solution

The fourth proportional to 124,795.28, 172,297.94 and 111,343.21 is: 153,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,795.28 : 172,297.94 = 111,343.21 : x
  2. Step 2: Convert to fraction form
    124,795.28/172,297.94 = 111,343.21/x
  3. Step 3: Cross multiply
    124,795.28x = 172,297.94 × 111,343.21
  4. Step 4: Simplify right side
    124,795.28x = 19,184,205,715.99
  5. Step 5: Solve for x
    x = 19,184,205,715.99/124,795.28
  6. Step 6: Final answer
    x = 153,725.41

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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.