Home / 215,703.40-297,671.68-125,113

Finding the Fourth Proportional to 215,703.40, 297,671.68 and 125,113

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Solution

The fourth proportional to 215,703.40, 297,671.68 and 125,113 is: 172,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,703.40 : 297,671.68 = 125,113 : x
  2. Step 2: Convert to fraction form
    215,703.40/297,671.68 = 125,113/x
  3. Step 3: Cross multiply
    215,703.40x = 297,671.68 × 125,113
  4. Step 4: Simplify right side
    215,703.40x = 37,242,596,899.84
  5. Step 5: Solve for x
    x = 37,242,596,899.84/215,703.40
  6. Step 6: Final answer
    x = 172,656.51

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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.