Home / 106,427.80-146,887.86-64,009.72

Finding the Fourth Proportional to 106,427.80, 146,887.86 and 64,009.72

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Solution

The fourth proportional to 106,427.80, 146,887.86 and 64,009.72 is: 88,343.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,427.80 : 146,887.86 = 64,009.72 : x
  2. Step 2: Convert to fraction form
    106,427.80/146,887.86 = 64,009.72/x
  3. Step 3: Cross multiply
    106,427.80x = 146,887.86 × 64,009.72
  4. Step 4: Simplify right side
    106,427.80x = 9,402,250,790.00
  5. Step 5: Solve for x
    x = 9,402,250,790.00/106,427.80
  6. Step 6: Final answer
    x = 88,343.94

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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.