Home / 438,499.13-657,748.69-106,075.13

Finding the Fourth Proportional to 438,499.13, 657,748.69 and 106,075.13

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Solution

The fourth proportional to 438,499.13, 657,748.69 and 106,075.13 is: 159,112.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,499.13 : 657,748.69 = 106,075.13 : x
  2. Step 2: Convert to fraction form
    438,499.13/657,748.69 = 106,075.13/x
  3. Step 3: Cross multiply
    438,499.13x = 657,748.69 × 106,075.13
  4. Step 4: Simplify right side
    438,499.13x = 69,770,774,245.15
  5. Step 5: Solve for x
    x = 69,770,774,245.15/438,499.13
  6. Step 6: Final answer
    x = 159,112.69

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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.