Home / 251,385.12-346,980.31-148,110.12

Finding the Fourth Proportional to 251,385.12, 346,980.31 and 148,110.12

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Solution

The fourth proportional to 251,385.12, 346,980.31 and 148,110.12 is: 204,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,385.12 : 346,980.31 = 148,110.12 : x
  2. Step 2: Convert to fraction form
    251,385.12/346,980.31 = 148,110.12/x
  3. Step 3: Cross multiply
    251,385.12x = 346,980.31 × 148,110.12
  4. Step 4: Simplify right side
    251,385.12x = 51,391,294,981.46
  5. Step 5: Solve for x
    x = 51,391,294,981.46/251,385.12
  6. Step 6: Final answer
    x = 204,432.53

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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.