Home / 77,645.24-116,384.80-40,167.58

Finding the Fourth Proportional to 77,645.24, 116,384.80 and 40,167.58

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Solution

The fourth proportional to 77,645.24, 116,384.80 and 40,167.58 is: 60,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,645.24 : 116,384.80 = 40,167.58 : x
  2. Step 2: Convert to fraction form
    77,645.24/116,384.80 = 40,167.58/x
  3. Step 3: Cross multiply
    77,645.24x = 116,384.80 × 40,167.58
  4. Step 4: Simplify right side
    77,645.24x = 4,674,895,764.78
  5. Step 5: Solve for x
    x = 4,674,895,764.78/77,645.24
  6. Step 6: Final answer
    x = 60,208.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.