Home / 125,735.07-173,510.94-69,146.45

Finding the Fourth Proportional to 125,735.07, 173,510.94 and 69,146.45

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Solution

The fourth proportional to 125,735.07, 173,510.94 and 69,146.45 is: 95,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,735.07 : 173,510.94 = 69,146.45 : x
  2. Step 2: Convert to fraction form
    125,735.07/173,510.94 = 69,146.45/x
  3. Step 3: Cross multiply
    125,735.07x = 173,510.94 × 69,146.45
  4. Step 4: Simplify right side
    125,735.07x = 11,997,665,537.16
  5. Step 5: Solve for x
    x = 11,997,665,537.16/125,735.07
  6. Step 6: Final answer
    x = 95,420.20

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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.