Home / 130,069.63-179,496.04-76,354.63

Finding the Fourth Proportional to 130,069.63, 179,496.04 and 76,354.63

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Solution

The fourth proportional to 130,069.63, 179,496.04 and 76,354.63 is: 105,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,069.63 : 179,496.04 = 76,354.63 : x
  2. Step 2: Convert to fraction form
    130,069.63/179,496.04 = 76,354.63/x
  3. Step 3: Cross multiply
    130,069.63x = 179,496.04 × 76,354.63
  4. Step 4: Simplify right side
    130,069.63x = 13,705,353,720.67
  5. Step 5: Solve for x
    x = 13,705,353,720.67/130,069.63
  6. Step 6: Final answer
    x = 105,369.36

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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.