Home / 142,462.70-197,497.56-134,878.67

Finding the Fourth Proportional to 142,462.70, 197,497.56 and 134,878.67

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Solution

The fourth proportional to 142,462.70, 197,497.56 and 134,878.67 is: 186,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,462.70 : 197,497.56 = 134,878.67 : x
  2. Step 2: Convert to fraction form
    142,462.70/197,497.56 = 134,878.67/x
  3. Step 3: Cross multiply
    142,462.70x = 197,497.56 × 134,878.67
  4. Step 4: Simplify right side
    142,462.70x = 26,638,208,221.05
  5. Step 5: Solve for x
    x = 26,638,208,221.05/142,462.70
  6. Step 6: Final answer
    x = 186,983.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.