Home / 125,983.64-188,975.70-118,285.40

Finding the Fourth Proportional to 125,983.64, 188,975.70 and 118,285.40

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Solution

The fourth proportional to 125,983.64, 188,975.70 and 118,285.40 is: 177,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,983.64 : 188,975.70 = 118,285.40 : x
  2. Step 2: Convert to fraction form
    125,983.64/188,975.70 = 118,285.40/x
  3. Step 3: Cross multiply
    125,983.64x = 188,975.70 × 118,285.40
  4. Step 4: Simplify right side
    125,983.64x = 22,353,066,264.78
  5. Step 5: Solve for x
    x = 22,353,066,264.78/125,983.64
  6. Step 6: Final answer
    x = 177,428.33

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1.5x scale

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.