Home / 108,111.04-162,124.80-51,915.36

Finding the Fourth Proportional to 108,111.04, 162,124.80 and 51,915.36

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Solution

The fourth proportional to 108,111.04, 162,124.80 and 51,915.36 is: 77,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,111.04 : 162,124.80 = 51,915.36 : x
  2. Step 2: Convert to fraction form
    108,111.04/162,124.80 = 51,915.36/x
  3. Step 3: Cross multiply
    108,111.04x = 162,124.80 × 51,915.36
  4. Step 4: Simplify right side
    108,111.04x = 8,416,767,356.93
  5. Step 5: Solve for x
    x = 8,416,767,356.93/108,111.04
  6. Step 6: Final answer
    x = 77,852.99

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1.5x scale

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.