Home / 114,826.64-158,280.36-105,184.40

Finding the Fourth Proportional to 114,826.64, 158,280.36 and 105,184.40

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Solution

The fourth proportional to 114,826.64, 158,280.36 and 105,184.40 is: 144,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,826.64 : 158,280.36 = 105,184.40 : x
  2. Step 2: Convert to fraction form
    114,826.64/158,280.36 = 105,184.40/x
  3. Step 3: Cross multiply
    114,826.64x = 158,280.36 × 105,184.40
  4. Step 4: Simplify right side
    114,826.64x = 16,648,624,698.38
  5. Step 5: Solve for x
    x = 16,648,624,698.38/114,826.64
  6. Step 6: Final answer
    x = 144,989.22

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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.