Home / 125,619.72-173,347.06-71,905.16

Finding the Fourth Proportional to 125,619.72, 173,347.06 and 71,905.16

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Solution

The fourth proportional to 125,619.72, 173,347.06 and 71,905.16 is: 99,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,619.72 : 173,347.06 = 71,905.16 : x
  2. Step 2: Convert to fraction form
    125,619.72/173,347.06 = 71,905.16/x
  3. Step 3: Cross multiply
    125,619.72x = 173,347.06 × 71,905.16
  4. Step 4: Simplify right side
    125,619.72x = 12,464,548,084.83
  5. Step 5: Solve for x
    x = 12,464,548,084.83/125,619.72
  6. Step 6: Final answer
    x = 99,224.45

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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.