Home / 152,960.40-229,440.60-69,854.40

Finding the Fourth Proportional to 152,960.40, 229,440.60 and 69,854.40

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Solution

The fourth proportional to 152,960.40, 229,440.60 and 69,854.40 is: 104,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,960.40 : 229,440.60 = 69,854.40 : x
  2. Step 2: Convert to fraction form
    152,960.40/229,440.60 = 69,854.40/x
  3. Step 3: Cross multiply
    152,960.40x = 229,440.60 × 69,854.40
  4. Step 4: Simplify right side
    152,960.40x = 16,027,435,448.64
  5. Step 5: Solve for x
    x = 16,027,435,448.64/152,960.40
  6. Step 6: Final answer
    x = 104,781.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.