Home / 251,346.36-346,859.12-138,176.40

Finding the Fourth Proportional to 251,346.36, 346,859.12 and 138,176.40

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Solution

The fourth proportional to 251,346.36, 346,859.12 and 138,176.40 is: 190,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,346.36 : 346,859.12 = 138,176.40 : x
  2. Step 2: Convert to fraction form
    251,346.36/346,859.12 = 138,176.40/x
  3. Step 3: Cross multiply
    251,346.36x = 346,859.12 × 138,176.40
  4. Step 4: Simplify right side
    251,346.36x = 47,927,744,508.77
  5. Step 5: Solve for x
    x = 47,927,744,508.77/251,346.36
  6. Step 6: Final answer
    x = 190,684.06

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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.