Home / 125,447.68-173,039.05-74,424.29

Finding the Fourth Proportional to 125,447.68, 173,039.05 and 74,424.29

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Solution

The fourth proportional to 125,447.68, 173,039.05 and 74,424.29 is: 102,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,447.68 : 173,039.05 = 74,424.29 : x
  2. Step 2: Convert to fraction form
    125,447.68/173,039.05 = 74,424.29/x
  3. Step 3: Cross multiply
    125,447.68x = 173,039.05 × 74,424.29
  4. Step 4: Simplify right side
    125,447.68x = 12,878,308,362.35
  5. Step 5: Solve for x
    x = 12,878,308,362.35/125,447.68
  6. Step 6: Final answer
    x = 102,658.80

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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.