Home / 109,484.53-151,088.75-64,153.49

Finding the Fourth Proportional to 109,484.53, 151,088.75 and 64,153.49

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Solution

The fourth proportional to 109,484.53, 151,088.75 and 64,153.49 is: 88,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,484.53 : 151,088.75 = 64,153.49 : x
  2. Step 2: Convert to fraction form
    109,484.53/151,088.75 = 64,153.49/x
  3. Step 3: Cross multiply
    109,484.53x = 151,088.75 × 64,153.49
  4. Step 4: Simplify right side
    109,484.53x = 9,692,869,776.60
  5. Step 5: Solve for x
    x = 9,692,869,776.60/109,484.53
  6. Step 6: Final answer
    x = 88,531.87

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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.