Home / 142,337.50-196,426.07-85,751.26

Finding the Fourth Proportional to 142,337.50, 196,426.07 and 85,751.26

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Solution

The fourth proportional to 142,337.50, 196,426.07 and 85,751.26 is: 118,336.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,337.50 : 196,426.07 = 85,751.26 : x
  2. Step 2: Convert to fraction form
    142,337.50/196,426.07 = 85,751.26/x
  3. Step 3: Cross multiply
    142,337.50x = 196,426.07 × 85,751.26
  4. Step 4: Simplify right side
    142,337.50x = 16,843,782,999.35
  5. Step 5: Solve for x
    x = 16,843,782,999.35/142,337.50
  6. Step 6: Final answer
    x = 118,336.93

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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.