Home / 130,074.24-179,389.92-84,735.12

Finding the Fourth Proportional to 130,074.24, 179,389.92 and 84,735.12

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Solution

The fourth proportional to 130,074.24, 179,389.92 and 84,735.12 is: 116,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,074.24 : 179,389.92 = 84,735.12 : x
  2. Step 2: Convert to fraction form
    130,074.24/179,389.92 = 84,735.12/x
  3. Step 3: Cross multiply
    130,074.24x = 179,389.92 × 84,735.12
  4. Step 4: Simplify right side
    130,074.24x = 15,200,626,397.99
  5. Step 5: Solve for x
    x = 15,200,626,397.99/130,074.24
  6. Step 6: Final answer
    x = 116,861.16

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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.