Home / 106,686.32-147,219.72-58,939.28

Finding the Fourth Proportional to 106,686.32, 147,219.72 and 58,939.28

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Solution

The fourth proportional to 106,686.32, 147,219.72 and 58,939.28 is: 81,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,686.32 : 147,219.72 = 58,939.28 : x
  2. Step 2: Convert to fraction form
    106,686.32/147,219.72 = 58,939.28/x
  3. Step 3: Cross multiply
    106,686.32x = 147,219.72 × 58,939.28
  4. Step 4: Simplify right side
    106,686.32x = 8,677,024,298.60
  5. Step 5: Solve for x
    x = 8,677,024,298.60/106,686.32
  6. Step 6: Final answer
    x = 81,332.12

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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.