Home / 142,060.38-212,856.41-127,411.13

Finding the Fourth Proportional to 142,060.38, 212,856.41 and 127,411.13

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Solution

The fourth proportional to 142,060.38, 212,856.41 and 127,411.13 is: 190,906.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,060.38 : 212,856.41 = 127,411.13 : x
  2. Step 2: Convert to fraction form
    142,060.38/212,856.41 = 127,411.13/x
  3. Step 3: Cross multiply
    142,060.38x = 212,856.41 × 127,411.13
  4. Step 4: Simplify right side
    142,060.38x = 27,120,274,662.51
  5. Step 5: Solve for x
    x = 27,120,274,662.51/142,060.38
  6. Step 6: Final answer
    x = 190,906.67

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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.