Home / 128,224.10-176,973.69-84,539.94

Finding the Fourth Proportional to 128,224.10, 176,973.69 and 84,539.94

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Solution

The fourth proportional to 128,224.10, 176,973.69 and 84,539.94 is: 116,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,224.10 : 176,973.69 = 84,539.94 : x
  2. Step 2: Convert to fraction form
    128,224.10/176,973.69 = 84,539.94/x
  3. Step 3: Cross multiply
    128,224.10x = 176,973.69 × 84,539.94
  4. Step 4: Simplify right side
    128,224.10x = 14,961,345,134.18
  5. Step 5: Solve for x
    x = 14,961,345,134.18/128,224.10
  6. Step 6: Final answer
    x = 116,681.23

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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.