Home / 115,266.09-159,068.13-64,282.11

Finding the Fourth Proportional to 115,266.09, 159,068.13 and 64,282.11

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Solution

The fourth proportional to 115,266.09, 159,068.13 and 64,282.11 is: 88,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,266.09 : 159,068.13 = 64,282.11 : x
  2. Step 2: Convert to fraction form
    115,266.09/159,068.13 = 64,282.11/x
  3. Step 3: Cross multiply
    115,266.09x = 159,068.13 × 64,282.11
  4. Step 4: Simplify right side
    115,266.09x = 10,225,235,030.15
  5. Step 5: Solve for x
    x = 10,225,235,030.15/115,266.09
  6. Step 6: Final answer
    x = 88,709.83

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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.