Home / 245,625.20-368,606.96-85,702.04

Finding the Fourth Proportional to 245,625.20, 368,606.96 and 85,702.04

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Solution

The fourth proportional to 245,625.20, 368,606.96 and 85,702.04 is: 128,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,625.20 : 368,606.96 = 85,702.04 : x
  2. Step 2: Convert to fraction form
    245,625.20/368,606.96 = 85,702.04/x
  3. Step 3: Cross multiply
    245,625.20x = 368,606.96 × 85,702.04
  4. Step 4: Simplify right side
    245,625.20x = 31,590,368,430.20
  5. Step 5: Solve for x
    x = 31,590,368,430.20/245,625.20
  6. Step 6: Final answer
    x = 128,612.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.