Home / 125,373.62-172,867.47-102,628.82

Finding the Fourth Proportional to 125,373.62, 172,867.47 and 102,628.82

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Solution

The fourth proportional to 125,373.62, 172,867.47 and 102,628.82 is: 141,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,373.62 : 172,867.47 = 102,628.82 : x
  2. Step 2: Convert to fraction form
    125,373.62/172,867.47 = 102,628.82/x
  3. Step 3: Cross multiply
    125,373.62x = 172,867.47 × 102,628.82
  4. Step 4: Simplify right side
    125,373.62x = 17,741,184,509.80
  5. Step 5: Solve for x
    x = 17,741,184,509.80/125,373.62
  6. Step 6: Final answer
    x = 141,506.52

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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.