Home / 131,622.84-197,434.10-42,876.20

Finding the Fourth Proportional to 131,622.84, 197,434.10 and 42,876.20

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Solution

The fourth proportional to 131,622.84, 197,434.10 and 42,876.20 is: 64,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,622.84 : 197,434.10 = 42,876.20 : x
  2. Step 2: Convert to fraction form
    131,622.84/197,434.10 = 42,876.20/x
  3. Step 3: Cross multiply
    131,622.84x = 197,434.10 × 42,876.20
  4. Step 4: Simplify right side
    131,622.84x = 8,465,224,559.20
  5. Step 5: Solve for x
    x = 8,465,224,559.20/131,622.84
  6. Step 6: Final answer
    x = 64,314.25

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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.