Home / 115,182.24-158,945.36-64,878.08

Finding the Fourth Proportional to 115,182.24, 158,945.36 and 64,878.08

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Solution

The fourth proportional to 115,182.24, 158,945.36 and 64,878.08 is: 89,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,182.24 : 158,945.36 = 64,878.08 : x
  2. Step 2: Convert to fraction form
    115,182.24/158,945.36 = 64,878.08/x
  3. Step 3: Cross multiply
    115,182.24x = 158,945.36 × 64,878.08
  4. Step 4: Simplify right side
    115,182.24x = 10,312,069,781.71
  5. Step 5: Solve for x
    x = 10,312,069,781.71/115,182.24
  6. Step 6: Final answer
    x = 89,528.30

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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.