Home / 125,574.40-173,243.64-71,830.72

Finding the Fourth Proportional to 125,574.40, 173,243.64 and 71,830.72

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Solution

The fourth proportional to 125,574.40, 173,243.64 and 71,830.72 is: 99,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,574.40 : 173,243.64 = 71,830.72 : x
  2. Step 2: Convert to fraction form
    125,574.40/173,243.64 = 71,830.72/x
  3. Step 3: Cross multiply
    125,574.40x = 173,243.64 × 71,830.72
  4. Step 4: Simplify right side
    125,574.40x = 12,444,215,396.62
  5. Step 5: Solve for x
    x = 12,444,215,396.62/125,574.40
  6. Step 6: Final answer
    x = 99,098.35

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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.