Home / 142,749.40-214,124.10-95,747.80

Finding the Fourth Proportional to 142,749.40, 214,124.10 and 95,747.80

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Solution

The fourth proportional to 142,749.40, 214,124.10 and 95,747.80 is: 143,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,749.40 : 214,124.10 = 95,747.80 : x
  2. Step 2: Convert to fraction form
    142,749.40/214,124.10 = 95,747.80/x
  3. Step 3: Cross multiply
    142,749.40x = 214,124.10 × 95,747.80
  4. Step 4: Simplify right side
    142,749.40x = 20,501,911,501.98
  5. Step 5: Solve for x
    x = 20,501,911,501.98/142,749.40
  6. Step 6: Final answer
    x = 143,621.70

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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.