Home / 237,918.55-328,336.80-130,493.11

Finding the Fourth Proportional to 237,918.55, 328,336.80 and 130,493.11

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Solution

The fourth proportional to 237,918.55, 328,336.80 and 130,493.11 is: 180,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,918.55 : 328,336.80 = 130,493.11 : x
  2. Step 2: Convert to fraction form
    237,918.55/328,336.80 = 130,493.11/x
  3. Step 3: Cross multiply
    237,918.55x = 328,336.80 × 130,493.11
  4. Step 4: Simplify right side
    237,918.55x = 42,845,688,517.76
  5. Step 5: Solve for x
    x = 42,845,688,517.76/237,918.55
  6. Step 6: Final answer
    x = 180,085.54

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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.