Home / 155,800.23-215,181.66-104,724.29

Finding the Fourth Proportional to 155,800.23, 215,181.66 and 104,724.29

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Solution

The fourth proportional to 155,800.23, 215,181.66 and 104,724.29 is: 144,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,800.23 : 215,181.66 = 104,724.29 : x
  2. Step 2: Convert to fraction form
    155,800.23/215,181.66 = 104,724.29/x
  3. Step 3: Cross multiply
    155,800.23x = 215,181.66 × 104,724.29
  4. Step 4: Simplify right side
    155,800.23x = 22,534,745,488.61
  5. Step 5: Solve for x
    x = 22,534,745,488.61/155,800.23
  6. Step 6: Final answer
    x = 144,638.72

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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.