Home / 237,855.90-328,240.98-130,427.76

Finding the Fourth Proportional to 237,855.90, 328,240.98 and 130,427.76

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Solution

The fourth proportional to 237,855.90, 328,240.98 and 130,427.76 is: 179,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,855.90 : 328,240.98 = 130,427.76 : x
  2. Step 2: Convert to fraction form
    237,855.90/328,240.98 = 130,427.76/x
  3. Step 3: Cross multiply
    237,855.90x = 328,240.98 × 130,427.76
  4. Step 4: Simplify right side
    237,855.90x = 42,811,735,761.60
  5. Step 5: Solve for x
    x = 42,811,735,761.60/237,855.90
  6. Step 6: Final answer
    x = 179,990.22

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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.