Home / 105,077.20-144,905.36-70,699.38

Finding the Fourth Proportional to 105,077.20, 144,905.36 and 70,699.38

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Solution

The fourth proportional to 105,077.20, 144,905.36 and 70,699.38 is: 97,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,077.20 : 144,905.36 = 70,699.38 : x
  2. Step 2: Convert to fraction form
    105,077.20/144,905.36 = 70,699.38/x
  3. Step 3: Cross multiply
    105,077.20x = 144,905.36 × 70,699.38
  4. Step 4: Simplify right side
    105,077.20x = 10,244,719,110.68
  5. Step 5: Solve for x
    x = 10,244,719,110.68/105,077.20
  6. Step 6: Final answer
    x = 97,497.07

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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.