Home / 125,450.40-173,130.64-82,935.20

Finding the Fourth Proportional to 125,450.40, 173,130.64 and 82,935.20

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Solution

The fourth proportional to 125,450.40, 173,130.64 and 82,935.20 is: 114,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,450.40 : 173,130.64 = 82,935.20 : x
  2. Step 2: Convert to fraction form
    125,450.40/173,130.64 = 82,935.20/x
  3. Step 3: Cross multiply
    125,450.40x = 173,130.64 × 82,935.20
  4. Step 4: Simplify right side
    125,450.40x = 14,358,624,254.53
  5. Step 5: Solve for x
    x = 14,358,624,254.53/125,450.40
  6. Step 6: Final answer
    x = 114,456.58

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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.