Home / 152,215.06-210,141.24-91,801.07

Finding the Fourth Proportional to 152,215.06, 210,141.24 and 91,801.07

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Solution

The fourth proportional to 152,215.06, 210,141.24 and 91,801.07 is: 126,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,215.06 : 210,141.24 = 91,801.07 : x
  2. Step 2: Convert to fraction form
    152,215.06/210,141.24 = 91,801.07/x
  3. Step 3: Cross multiply
    152,215.06x = 210,141.24 × 91,801.07
  4. Step 4: Simplify right side
    152,215.06x = 19,291,190,683.13
  5. Step 5: Solve for x
    x = 19,291,190,683.13/152,215.06
  6. Step 6: Final answer
    x = 126,736.41

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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.