Home / 130,401.83-179,958.95-73,043.62

Finding the Fourth Proportional to 130,401.83, 179,958.95 and 73,043.62

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Solution

The fourth proportional to 130,401.83, 179,958.95 and 73,043.62 is: 100,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,401.83 : 179,958.95 = 73,043.62 : x
  2. Step 2: Convert to fraction form
    130,401.83/179,958.95 = 73,043.62/x
  3. Step 3: Cross multiply
    130,401.83x = 179,958.95 × 73,043.62
  4. Step 4: Simplify right side
    130,401.83x = 13,144,853,159.40
  5. Step 5: Solve for x
    x = 13,144,853,159.40/130,401.83
  6. Step 6: Final answer
    x = 100,802.67

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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.