Home / 210,355.86-290,292.15-114,862.56

Finding the Fourth Proportional to 210,355.86, 290,292.15 and 114,862.56

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Solution

The fourth proportional to 210,355.86, 290,292.15 and 114,862.56 is: 158,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,355.86 : 290,292.15 = 114,862.56 : x
  2. Step 2: Convert to fraction form
    210,355.86/290,292.15 = 114,862.56/x
  3. Step 3: Cross multiply
    210,355.86x = 290,292.15 × 114,862.56
  4. Step 4: Simplify right side
    210,355.86x = 33,343,699,496.90
  5. Step 5: Solve for x
    x = 33,343,699,496.90/210,355.86
  6. Step 6: Final answer
    x = 158,510.91

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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.