Home / 106,431.63-146,876.67-58,686.72

Finding the Fourth Proportional to 106,431.63, 146,876.67 and 58,686.72

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Solution

The fourth proportional to 106,431.63, 146,876.67 and 58,686.72 is: 80,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,431.63 : 146,876.67 = 58,686.72 : x
  2. Step 2: Convert to fraction form
    106,431.63/146,876.67 = 58,686.72/x
  3. Step 3: Cross multiply
    106,431.63x = 146,876.67 × 58,686.72
  4. Step 4: Simplify right side
    106,431.63x = 8,619,710,006.82
  5. Step 5: Solve for x
    x = 8,619,710,006.82/106,431.63
  6. Step 6: Final answer
    x = 80,988.24

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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.