Home / 113,347.02-170,087.36-42,320.55

Finding the Fourth Proportional to 113,347.02, 170,087.36 and 42,320.55

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Solution

The fourth proportional to 113,347.02, 170,087.36 and 42,320.55 is: 63,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,347.02 : 170,087.36 = 42,320.55 : x
  2. Step 2: Convert to fraction form
    113,347.02/170,087.36 = 42,320.55/x
  3. Step 3: Cross multiply
    113,347.02x = 170,087.36 × 42,320.55
  4. Step 4: Simplify right side
    113,347.02x = 7,198,190,411.65
  5. Step 5: Solve for x
    x = 7,198,190,411.65/113,347.02
  6. Step 6: Final answer
    x = 63,505.78

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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.