Home / 106,427.82-146,870.40-61,108.76

Finding the Fourth Proportional to 106,427.82, 146,870.40 and 61,108.76

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Solution

The fourth proportional to 106,427.82, 146,870.40 and 61,108.76 is: 84,330.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,427.82 : 146,870.40 = 61,108.76 : x
  2. Step 2: Convert to fraction form
    106,427.82/146,870.40 = 61,108.76/x
  3. Step 3: Cross multiply
    106,427.82x = 146,870.40 × 61,108.76
  4. Step 4: Simplify right side
    106,427.82x = 8,975,068,024.70
  5. Step 5: Solve for x
    x = 8,975,068,024.70/106,427.82
  6. Step 6: Final answer
    x = 84,330.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.