Home / 109,484.14-151,089.21-64,188.94

Finding the Fourth Proportional to 109,484.14, 151,089.21 and 64,188.94

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Solution

The fourth proportional to 109,484.14, 151,089.21 and 64,188.94 is: 88,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,484.14 : 151,089.21 = 64,188.94 : x
  2. Step 2: Convert to fraction form
    109,484.14/151,089.21 = 64,188.94/x
  3. Step 3: Cross multiply
    109,484.14x = 151,089.21 × 64,188.94
  4. Step 4: Simplify right side
    109,484.14x = 9,698,256,235.34
  5. Step 5: Solve for x
    x = 9,698,256,235.34/109,484.14
  6. Step 6: Final answer
    x = 88,581.38

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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.