Home / 124,172.84-171,362.23-76,453.72

Finding the Fourth Proportional to 124,172.84, 171,362.23 and 76,453.72

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Solution

The fourth proportional to 124,172.84, 171,362.23 and 76,453.72 is: 105,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,172.84 : 171,362.23 = 76,453.72 : x
  2. Step 2: Convert to fraction form
    124,172.84/171,362.23 = 76,453.72/x
  3. Step 3: Cross multiply
    124,172.84x = 171,362.23 × 76,453.72
  4. Step 4: Simplify right side
    124,172.84x = 13,101,279,331.46
  5. Step 5: Solve for x
    x = 13,101,279,331.46/124,172.84
  6. Step 6: Final answer
    x = 105,508.41

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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.