Home / 124,813.58-172,222.64-71,099.66

Finding the Fourth Proportional to 124,813.58, 172,222.64 and 71,099.66

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Solution

The fourth proportional to 124,813.58, 172,222.64 and 71,099.66 is: 98,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,813.58 : 172,222.64 = 71,099.66 : x
  2. Step 2: Convert to fraction form
    124,813.58/172,222.64 = 71,099.66/x
  3. Step 3: Cross multiply
    124,813.58x = 172,222.64 × 71,099.66
  4. Step 4: Simplify right side
    124,813.58x = 12,244,971,148.30
  5. Step 5: Solve for x
    x = 12,244,971,148.30/124,813.58
  6. Step 6: Final answer
    x = 98,106.08

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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.