Home / 131,154.68-180,993.48-74,569.52

Finding the Fourth Proportional to 131,154.68, 180,993.48 and 74,569.52

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Solution

The fourth proportional to 131,154.68, 180,993.48 and 74,569.52 is: 102,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,154.68 : 180,993.48 = 74,569.52 : x
  2. Step 2: Convert to fraction form
    131,154.68/180,993.48 = 74,569.52/x
  3. Step 3: Cross multiply
    131,154.68x = 180,993.48 × 74,569.52
  4. Step 4: Simplify right side
    131,154.68x = 13,496,596,926.73
  5. Step 5: Solve for x
    x = 13,496,596,926.73/131,154.68
  6. Step 6: Final answer
    x = 102,905.95

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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.