Home / 107,384.28-148,193.70-64,349.59

Finding the Fourth Proportional to 107,384.28, 148,193.70 and 64,349.59

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Solution

The fourth proportional to 107,384.28, 148,193.70 and 64,349.59 is: 88,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,384.28 : 148,193.70 = 64,349.59 : x
  2. Step 2: Convert to fraction form
    107,384.28/148,193.70 = 64,349.59/x
  3. Step 3: Cross multiply
    107,384.28x = 148,193.70 × 64,349.59
  4. Step 4: Simplify right side
    107,384.28x = 9,536,203,835.58
  5. Step 5: Solve for x
    x = 9,536,203,835.58/107,384.28
  6. Step 6: Final answer
    x = 88,804.47

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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.