Home / 210,081.71-314,974.93-76,944.67

Finding the Fourth Proportional to 210,081.71, 314,974.93 and 76,944.67

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Solution

The fourth proportional to 210,081.71, 314,974.93 and 76,944.67 is: 115,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,081.71 : 314,974.93 = 76,944.67 : x
  2. Step 2: Convert to fraction form
    210,081.71/314,974.93 = 76,944.67/x
  3. Step 3: Cross multiply
    210,081.71x = 314,974.93 × 76,944.67
  4. Step 4: Simplify right side
    210,081.71x = 24,235,642,047.12
  5. Step 5: Solve for x
    x = 24,235,642,047.12/210,081.71
  6. Step 6: Final answer
    x = 115,362.93

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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.