Home / 74,009.22-102,151.71-45,698.64

Finding the Fourth Proportional to 74,009.22, 102,151.71 and 45,698.64

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Solution

The fourth proportional to 74,009.22, 102,151.71 and 45,698.64 is: 63,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,009.22 : 102,151.71 = 45,698.64 : x
  2. Step 2: Convert to fraction form
    74,009.22/102,151.71 = 45,698.64/x
  3. Step 3: Cross multiply
    74,009.22x = 102,151.71 × 45,698.64
  4. Step 4: Simplify right side
    74,009.22x = 4,668,194,220.67
  5. Step 5: Solve for x
    x = 4,668,194,220.67/74,009.22
  6. Step 6: Final answer
    x = 63,075.85

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1.5x scale

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.