Home / 152,661.08-210,629.22-98,948.36

Finding the Fourth Proportional to 152,661.08, 210,629.22 and 98,948.36

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Solution

The fourth proportional to 152,661.08, 210,629.22 and 98,948.36 is: 136,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,661.08 : 210,629.22 = 98,948.36 : x
  2. Step 2: Convert to fraction form
    152,661.08/210,629.22 = 98,948.36/x
  3. Step 3: Cross multiply
    152,661.08x = 210,629.22 × 98,948.36
  4. Step 4: Simplify right side
    152,661.08x = 20,841,415,887.08
  5. Step 5: Solve for x
    x = 20,841,415,887.08/152,661.08
  6. Step 6: Final answer
    x = 136,520.82

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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.