Home / 115,269.98-159,069.40-64,284.26

Finding the Fourth Proportional to 115,269.98, 159,069.40 and 64,284.26

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Solution

The fourth proportional to 115,269.98, 159,069.40 and 64,284.26 is: 88,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,269.98 : 159,069.40 = 64,284.26 : x
  2. Step 2: Convert to fraction form
    115,269.98/159,069.40 = 64,284.26/x
  3. Step 3: Cross multiply
    115,269.98x = 159,069.40 × 64,284.26
  4. Step 4: Simplify right side
    115,269.98x = 10,225,657,711.59
  5. Step 5: Solve for x
    x = 10,225,657,711.59/115,269.98
  6. Step 6: Final answer
    x = 88,710.51

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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.