Home / 125,981.64-188,972.70-118,283.40

Finding the Fourth Proportional to 125,981.64, 188,972.70 and 118,283.40

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Solution

The fourth proportional to 125,981.64, 188,972.70 and 118,283.40 is: 177,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,981.64 : 188,972.70 = 118,283.40 : x
  2. Step 2: Convert to fraction form
    125,981.64/188,972.70 = 118,283.40/x
  3. Step 3: Cross multiply
    125,981.64x = 188,972.70 × 118,283.40
  4. Step 4: Simplify right side
    125,981.64x = 22,352,333,463.18
  5. Step 5: Solve for x
    x = 22,352,333,463.18/125,981.64
  6. Step 6: Final answer
    x = 177,425.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.