Home / 180,661.42-249,292.59-100,068.95

Finding the Fourth Proportional to 180,661.42, 249,292.59 and 100,068.95

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Solution

The fourth proportional to 180,661.42, 249,292.59 and 100,068.95 is: 138,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,661.42 : 249,292.59 = 100,068.95 : x
  2. Step 2: Convert to fraction form
    180,661.42/249,292.59 = 100,068.95/x
  3. Step 3: Cross multiply
    180,661.42x = 249,292.59 × 100,068.95
  4. Step 4: Simplify right side
    180,661.42x = 24,946,447,972.05
  5. Step 5: Solve for x
    x = 24,946,447,972.05/180,661.42
  6. Step 6: Final answer
    x = 138,083.98

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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.