Home / 118,266.77-177,428.40-39,381.68

Finding the Fourth Proportional to 118,266.77, 177,428.40 and 39,381.68

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Solution

The fourth proportional to 118,266.77, 177,428.40 and 39,381.68 is: 59,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,266.77 : 177,428.40 = 39,381.68 : x
  2. Step 2: Convert to fraction form
    118,266.77/177,428.40 = 39,381.68/x
  3. Step 3: Cross multiply
    118,266.77x = 177,428.40 × 39,381.68
  4. Step 4: Simplify right side
    118,266.77x = 6,987,428,471.71
  5. Step 5: Solve for x
    x = 6,987,428,471.71/118,266.77
  6. Step 6: Final answer
    x = 59,081.93

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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.