Home / 134,898.94-186,155.66-74,468.29

Finding the Fourth Proportional to 134,898.94, 186,155.66 and 74,468.29

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Solution

The fourth proportional to 134,898.94, 186,155.66 and 74,468.29 is: 102,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,898.94 : 186,155.66 = 74,468.29 : x
  2. Step 2: Convert to fraction form
    134,898.94/186,155.66 = 74,468.29/x
  3. Step 3: Cross multiply
    134,898.94x = 186,155.66 × 74,468.29
  4. Step 4: Simplify right side
    134,898.94x = 13,862,693,674.02
  5. Step 5: Solve for x
    x = 13,862,693,674.02/134,898.94
  6. Step 6: Final answer
    x = 102,763.55

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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.