Home / 110,970.28-153,138.96-60,669.28

Finding the Fourth Proportional to 110,970.28, 153,138.96 and 60,669.28

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Solution

The fourth proportional to 110,970.28, 153,138.96 and 60,669.28 is: 83,723.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,970.28 : 153,138.96 = 60,669.28 : x
  2. Step 2: Convert to fraction form
    110,970.28/153,138.96 = 60,669.28/x
  3. Step 3: Cross multiply
    110,970.28x = 153,138.96 × 60,669.28
  4. Step 4: Simplify right side
    110,970.28x = 9,290,830,443.15
  5. Step 5: Solve for x
    x = 9,290,830,443.15/110,970.28
  6. Step 6: Final answer
    x = 83,723.59

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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.