Home / 201,565.10-302,056.05-89,153.30

Finding the Fourth Proportional to 201,565.10, 302,056.05 and 89,153.30

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Solution

The fourth proportional to 201,565.10, 302,056.05 and 89,153.30 is: 133,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,565.10 : 302,056.05 = 89,153.30 : x
  2. Step 2: Convert to fraction form
    201,565.10/302,056.05 = 89,153.30/x
  3. Step 3: Cross multiply
    201,565.10x = 302,056.05 × 89,153.30
  4. Step 4: Simplify right side
    201,565.10x = 26,929,293,642.47
  5. Step 5: Solve for x
    x = 26,929,293,642.47/201,565.10
  6. Step 6: Final answer
    x = 133,600.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.