Home / 219,030.51-302,243.94-123,560.67

Finding the Fourth Proportional to 219,030.51, 302,243.94 and 123,560.67

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Solution

The fourth proportional to 219,030.51, 302,243.94 and 123,560.67 is: 170,503.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,030.51 : 302,243.94 = 123,560.67 : x
  2. Step 2: Convert to fraction form
    219,030.51/302,243.94 = 123,560.67/x
  3. Step 3: Cross multiply
    219,030.51x = 302,243.94 × 123,560.67
  4. Step 4: Simplify right side
    219,030.51x = 37,345,463,729.84
  5. Step 5: Solve for x
    x = 37,345,463,729.84/219,030.51
  6. Step 6: Final answer
    x = 170,503.48

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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.