Home / 237,858.90-328,245.12-130,430.76

Finding the Fourth Proportional to 237,858.90, 328,245.12 and 130,430.76

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Solution

The fourth proportional to 237,858.90, 328,245.12 and 130,430.76 is: 179,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,858.90 : 328,245.12 = 130,430.76 : x
  2. Step 2: Convert to fraction form
    237,858.90/328,245.12 = 130,430.76/x
  3. Step 3: Cross multiply
    237,858.90x = 328,245.12 × 130,430.76
  4. Step 4: Simplify right side
    237,858.90x = 42,813,260,467.89
  5. Step 5: Solve for x
    x = 42,813,260,467.89/237,858.90
  6. Step 6: Final answer
    x = 179,994.36

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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.