Home / 102,914.82-142,030.08-57,597.34

Finding the Fourth Proportional to 102,914.82, 142,030.08 and 57,597.34

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Solution

The fourth proportional to 102,914.82, 142,030.08 and 57,597.34 is: 79,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,914.82 : 142,030.08 = 57,597.34 : x
  2. Step 2: Convert to fraction form
    102,914.82/142,030.08 = 57,597.34/x
  3. Step 3: Cross multiply
    102,914.82x = 142,030.08 × 57,597.34
  4. Step 4: Simplify right side
    102,914.82x = 8,180,554,807.99
  5. Step 5: Solve for x
    x = 8,180,554,807.99/102,914.82
  6. Step 6: Final answer
    x = 79,488.60

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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.