Home / 106,695.36-147,242.88-64,255.68

Finding the Fourth Proportional to 106,695.36, 147,242.88 and 64,255.68

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Solution

The fourth proportional to 106,695.36, 147,242.88 and 64,255.68 is: 88,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,695.36 : 147,242.88 = 64,255.68 : x
  2. Step 2: Convert to fraction form
    106,695.36/147,242.88 = 64,255.68/x
  3. Step 3: Cross multiply
    106,695.36x = 147,242.88 × 64,255.68
  4. Step 4: Simplify right side
    106,695.36x = 9,461,191,379.56
  5. Step 5: Solve for x
    x = 9,461,191,379.56/106,695.36
  6. Step 6: Final answer
    x = 88,674.82

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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.