Home / 134,605.52-185,756.84-74,178.33

Finding the Fourth Proportional to 134,605.52, 185,756.84 and 74,178.33

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Solution

The fourth proportional to 134,605.52, 185,756.84 and 74,178.33 is: 102,366.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,605.52 : 185,756.84 = 74,178.33 : x
  2. Step 2: Convert to fraction form
    134,605.52/185,756.84 = 74,178.33/x
  3. Step 3: Cross multiply
    134,605.52x = 185,756.84 × 74,178.33
  4. Step 4: Simplify right side
    134,605.52x = 13,779,132,501.81
  5. Step 5: Solve for x
    x = 13,779,132,501.81/134,605.52
  6. Step 6: Final answer
    x = 102,366.77

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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.