Home / 134,917.24-186,184.74-74,488

Finding the Fourth Proportional to 134,917.24, 186,184.74 and 74,488

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Solution

The fourth proportional to 134,917.24, 186,184.74 and 74,488 is: 102,792.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,917.24 : 186,184.74 = 74,488 : x
  2. Step 2: Convert to fraction form
    134,917.24/186,184.74 = 74,488/x
  3. Step 3: Cross multiply
    134,917.24x = 186,184.74 × 74,488
  4. Step 4: Simplify right side
    134,917.24x = 13,868,528,913.12
  5. Step 5: Solve for x
    x = 13,868,528,913.12/134,917.24
  6. Step 6: Final answer
    x = 102,792.86

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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.