Home / 235,748.19-325,339.55-145,156.43

Finding the Fourth Proportional to 235,748.19, 325,339.55 and 145,156.43

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Solution

The fourth proportional to 235,748.19, 325,339.55 and 145,156.43 is: 200,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,748.19 : 325,339.55 = 145,156.43 : x
  2. Step 2: Convert to fraction form
    235,748.19/325,339.55 = 145,156.43/x
  3. Step 3: Cross multiply
    235,748.19x = 325,339.55 × 145,156.43
  4. Step 4: Simplify right side
    235,748.19x = 47,225,125,263.33
  5. Step 5: Solve for x
    x = 47,225,125,263.33/235,748.19
  6. Step 6: Final answer
    x = 200,320.20

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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.