Home / 129,919.07-179,288.85-70,303.07

Finding the Fourth Proportional to 129,919.07, 179,288.85 and 70,303.07

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Solution

The fourth proportional to 129,919.07, 179,288.85 and 70,303.07 is: 97,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,919.07 : 179,288.85 = 70,303.07 : x
  2. Step 2: Convert to fraction form
    129,919.07/179,288.85 = 70,303.07/x
  3. Step 3: Cross multiply
    129,919.07x = 179,288.85 × 70,303.07
  4. Step 4: Simplify right side
    129,919.07x = 12,604,555,675.33
  5. Step 5: Solve for x
    x = 12,604,555,675.33/129,919.07
  6. Step 6: Final answer
    x = 97,018.52

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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.