Home / 105,204.64-157,726.32-42,835.36

Finding the Fourth Proportional to 105,204.64, 157,726.32 and 42,835.36

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Solution

The fourth proportional to 105,204.64, 157,726.32 and 42,835.36 is: 64,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,204.64 : 157,726.32 = 42,835.36 : x
  2. Step 2: Convert to fraction form
    105,204.64/157,726.32 = 42,835.36/x
  3. Step 3: Cross multiply
    105,204.64x = 157,726.32 × 42,835.36
  4. Step 4: Simplify right side
    105,204.64x = 6,756,263,698.68
  5. Step 5: Solve for x
    x = 6,756,263,698.68/105,204.64
  6. Step 6: Final answer
    x = 64,220.21

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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.