Home / 129,973.60-179,363.58-70,357.60

Finding the Fourth Proportional to 129,973.60, 179,363.58 and 70,357.60

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Solution

The fourth proportional to 129,973.60, 179,363.58 and 70,357.60 is: 97,093.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,973.60 : 179,363.58 = 70,357.60 : x
  2. Step 2: Convert to fraction form
    129,973.60/179,363.58 = 70,357.60/x
  3. Step 3: Cross multiply
    129,973.60x = 179,363.58 × 70,357.60
  4. Step 4: Simplify right side
    129,973.60x = 12,619,589,767.60
  5. Step 5: Solve for x
    x = 12,619,589,767.60/129,973.60
  6. Step 6: Final answer
    x = 97,093.49

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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.