Home / 134,818.14-186,065.49-77,457.33

Finding the Fourth Proportional to 134,818.14, 186,065.49 and 77,457.33

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Solution

The fourth proportional to 134,818.14, 186,065.49 and 77,457.33 is: 106,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,818.14 : 186,065.49 = 77,457.33 : x
  2. Step 2: Convert to fraction form
    134,818.14/186,065.49 = 77,457.33/x
  3. Step 3: Cross multiply
    134,818.14x = 186,065.49 × 77,457.33
  4. Step 4: Simplify right side
    134,818.14x = 14,412,136,060.54
  5. Step 5: Solve for x
    x = 14,412,136,060.54/134,818.14
  6. Step 6: Final answer
    x = 106,900.57

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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.