Home / 125,024.30-172,537.92-68,435.72

Finding the Fourth Proportional to 125,024.30, 172,537.92 and 68,435.72

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Solution

The fourth proportional to 125,024.30, 172,537.92 and 68,435.72 is: 94,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,024.30 : 172,537.92 = 68,435.72 : x
  2. Step 2: Convert to fraction form
    125,024.30/172,537.92 = 68,435.72/x
  3. Step 3: Cross multiply
    125,024.30x = 172,537.92 × 68,435.72
  4. Step 4: Simplify right side
    125,024.30x = 11,807,756,782.50
  5. Step 5: Solve for x
    x = 11,807,756,782.50/125,024.30
  6. Step 6: Final answer
    x = 94,443.69

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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.