Home / 129,924.75-179,296.16-70,308.75

Finding the Fourth Proportional to 129,924.75, 179,296.16 and 70,308.75

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Solution

The fourth proportional to 129,924.75, 179,296.16 and 70,308.75 is: 97,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,924.75 : 179,296.16 = 70,308.75 : x
  2. Step 2: Convert to fraction form
    129,924.75/179,296.16 = 70,308.75/x
  3. Step 3: Cross multiply
    129,924.75x = 179,296.16 × 70,308.75
  4. Step 4: Simplify right side
    129,924.75x = 12,606,088,537.86
  5. Step 5: Solve for x
    x = 12,606,088,537.86/129,924.75
  6. Step 6: Final answer
    x = 97,026.08

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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.