Home / 152,347.14-210,239.55-83,436.66

Finding the Fourth Proportional to 152,347.14, 210,239.55 and 83,436.66

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Solution

The fourth proportional to 152,347.14, 210,239.55 and 83,436.66 is: 115,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,347.14 : 210,239.55 = 83,436.66 : x
  2. Step 2: Convert to fraction form
    152,347.14/210,239.55 = 83,436.66/x
  3. Step 3: Cross multiply
    152,347.14x = 210,239.55 × 83,436.66
  4. Step 4: Simplify right side
    152,347.14x = 17,541,685,851.90
  5. Step 5: Solve for x
    x = 17,541,685,851.90/152,347.14
  6. Step 6: Final answer
    x = 115,142.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.