Home / 115,064.10-158,790.24-64,763.10

Finding the Fourth Proportional to 115,064.10, 158,790.24 and 64,763.10

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Solution

The fourth proportional to 115,064.10, 158,790.24 and 64,763.10 is: 89,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,064.10 : 158,790.24 = 64,763.10 : x
  2. Step 2: Convert to fraction form
    115,064.10/158,790.24 = 64,763.10/x
  3. Step 3: Cross multiply
    115,064.10x = 158,790.24 × 64,763.10
  4. Step 4: Simplify right side
    115,064.10x = 10,283,748,192.14
  5. Step 5: Solve for x
    x = 10,283,748,192.14/115,064.10
  6. Step 6: Final answer
    x = 89,374.08

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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.