Home / 102,484.35-153,725.85-47,706.21

Finding the Fourth Proportional to 102,484.35, 153,725.85 and 47,706.21

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Solution

The fourth proportional to 102,484.35, 153,725.85 and 47,706.21 is: 71,559.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,484.35 : 153,725.85 = 47,706.21 : x
  2. Step 2: Convert to fraction form
    102,484.35/153,725.85 = 47,706.21/x
  3. Step 3: Cross multiply
    102,484.35x = 153,725.85 × 47,706.21
  4. Step 4: Simplify right side
    102,484.35x = 7,333,677,682.53
  5. Step 5: Solve for x
    x = 7,333,677,682.53/102,484.35
  6. Step 6: Final answer
    x = 71,559.00

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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.