Home / 134,973.57-186,265.01-77,641.37

Finding the Fourth Proportional to 134,973.57, 186,265.01 and 77,641.37

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Solution

The fourth proportional to 134,973.57, 186,265.01 and 77,641.37 is: 107,145.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,973.57 : 186,265.01 = 77,641.37 : x
  2. Step 2: Convert to fraction form
    134,973.57/186,265.01 = 77,641.37/x
  3. Step 3: Cross multiply
    134,973.57x = 186,265.01 × 77,641.37
  4. Step 4: Simplify right side
    134,973.57x = 14,461,870,559.46
  5. Step 5: Solve for x
    x = 14,461,870,559.46/134,973.57
  6. Step 6: Final answer
    x = 107,145.94

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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.