Home / 223,004.40-307,748.32-121,030.76

Finding the Fourth Proportional to 223,004.40, 307,748.32 and 121,030.76

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Solution

The fourth proportional to 223,004.40, 307,748.32 and 121,030.76 is: 167,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,004.40 : 307,748.32 = 121,030.76 : x
  2. Step 2: Convert to fraction form
    223,004.40/307,748.32 = 121,030.76/x
  3. Step 3: Cross multiply
    223,004.40x = 307,748.32 × 121,030.76
  4. Step 4: Simplify right side
    223,004.40x = 37,247,013,058.32
  5. Step 5: Solve for x
    x = 37,247,013,058.32/223,004.40
  6. Step 6: Final answer
    x = 167,023.67

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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.