Home / 130,074.08-179,501.28-70,458.08

Finding the Fourth Proportional to 130,074.08, 179,501.28 and 70,458.08

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Solution

The fourth proportional to 130,074.08, 179,501.28 and 70,458.08 is: 97,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,074.08 : 179,501.28 = 70,458.08 : x
  2. Step 2: Convert to fraction form
    130,074.08/179,501.28 = 70,458.08/x
  3. Step 3: Cross multiply
    130,074.08x = 179,501.28 × 70,458.08
  4. Step 4: Simplify right side
    130,074.08x = 12,647,315,546.34
  5. Step 5: Solve for x
    x = 12,647,315,546.34/130,074.08
  6. Step 6: Final answer
    x = 97,231.64

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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.