Home / 105,011.28-144,926.67-64,199.31

Finding the Fourth Proportional to 105,011.28, 144,926.67 and 64,199.31

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Solution

The fourth proportional to 105,011.28, 144,926.67 and 64,199.31 is: 88,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,011.28 : 144,926.67 = 64,199.31 : x
  2. Step 2: Convert to fraction form
    105,011.28/144,926.67 = 64,199.31/x
  3. Step 3: Cross multiply
    105,011.28x = 144,926.67 × 64,199.31
  4. Step 4: Simplify right side
    105,011.28x = 9,304,192,214.60
  5. Step 5: Solve for x
    x = 9,304,192,214.60/105,011.28
  6. Step 6: Final answer
    x = 88,601.84

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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.