Home / 115,269.08-159,075.78-64,967

Finding the Fourth Proportional to 115,269.08, 159,075.78 and 64,967

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Solution

The fourth proportional to 115,269.08, 159,075.78 and 64,967 is: 89,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,269.08 : 159,075.78 = 64,967 : x
  2. Step 2: Convert to fraction form
    115,269.08/159,075.78 = 64,967/x
  3. Step 3: Cross multiply
    115,269.08x = 159,075.78 × 64,967
  4. Step 4: Simplify right side
    115,269.08x = 10,334,676,199.26
  5. Step 5: Solve for x
    x = 10,334,676,199.26/115,269.08
  6. Step 6: Final answer
    x = 89,656.97

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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.