Home / 175,420.76-263,128.84-42,300.02

Finding the Fourth Proportional to 175,420.76, 263,128.84 and 42,300.02

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Solution

The fourth proportional to 175,420.76, 263,128.84 and 42,300.02 is: 63,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,420.76 : 263,128.84 = 42,300.02 : x
  2. Step 2: Convert to fraction form
    175,420.76/263,128.84 = 42,300.02/x
  3. Step 3: Cross multiply
    175,420.76x = 263,128.84 × 42,300.02
  4. Step 4: Simplify right side
    175,420.76x = 11,130,355,746.65
  5. Step 5: Solve for x
    x = 11,130,355,746.65/175,420.76
  6. Step 6: Final answer
    x = 63,449.48

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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.