Home / 115,005.02-158,663.21-84,862.49

Finding the Fourth Proportional to 115,005.02, 158,663.21 and 84,862.49

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Solution

The fourth proportional to 115,005.02, 158,663.21 and 84,862.49 is: 117,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,005.02 : 158,663.21 = 84,862.49 : x
  2. Step 2: Convert to fraction form
    115,005.02/158,663.21 = 84,862.49/x
  3. Step 3: Cross multiply
    115,005.02x = 158,663.21 × 84,862.49
  4. Step 4: Simplify right side
    115,005.02x = 13,464,553,854.36
  5. Step 5: Solve for x
    x = 13,464,553,854.36/115,005.02
  6. Step 6: Final answer
    x = 117,077.97

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1.5x scale

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.