Home / 155,421.75-233,138.70-48,878.40

Finding the Fourth Proportional to 155,421.75, 233,138.70 and 48,878.40

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Solution

The fourth proportional to 155,421.75, 233,138.70 and 48,878.40 is: 73,319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,421.75 : 233,138.70 = 48,878.40 : x
  2. Step 2: Convert to fraction form
    155,421.75/233,138.70 = 48,878.40/x
  3. Step 3: Cross multiply
    155,421.75x = 233,138.70 × 48,878.40
  4. Step 4: Simplify right side
    155,421.75x = 11,395,446,634.08
  5. Step 5: Solve for x
    x = 11,395,446,634.08/155,421.75
  6. Step 6: Final answer
    x = 73,319.51

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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.