Home / 106,426.80-146,886.48-64,008.72

Finding the Fourth Proportional to 106,426.80, 146,886.48 and 64,008.72

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Solution

The fourth proportional to 106,426.80, 146,886.48 and 64,008.72 is: 88,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,426.80 : 146,886.48 = 64,008.72 : x
  2. Step 2: Convert to fraction form
    106,426.80/146,886.48 = 64,008.72/x
  3. Step 3: Cross multiply
    106,426.80x = 146,886.48 × 64,008.72
  4. Step 4: Simplify right side
    106,426.80x = 9,402,015,570.11
  5. Step 5: Solve for x
    x = 9,402,015,570.11/106,426.80
  6. Step 6: Final answer
    x = 88,342.56

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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.