Home / 129,933.75-179,308.58-70,317.75

Finding the Fourth Proportional to 129,933.75, 179,308.58 and 70,317.75

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Solution

The fourth proportional to 129,933.75, 179,308.58 and 70,317.75 is: 97,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,933.75 : 179,308.58 = 70,317.75 : x
  2. Step 2: Convert to fraction form
    129,933.75/179,308.58 = 70,317.75/x
  3. Step 3: Cross multiply
    129,933.75x = 179,308.58 × 70,317.75
  4. Step 4: Simplify right side
    129,933.75x = 12,608,575,549.71
  5. Step 5: Solve for x
    x = 12,608,575,549.71/129,933.75
  6. Step 6: Final answer
    x = 97,038.50

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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.