Home / 140,124.48-210,239.28-84,004.56

Finding the Fourth Proportional to 140,124.48, 210,239.28 and 84,004.56

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Solution

The fourth proportional to 140,124.48, 210,239.28 and 84,004.56 is: 126,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,124.48 : 210,239.28 = 84,004.56 : x
  2. Step 2: Convert to fraction form
    140,124.48/210,239.28 = 84,004.56/x
  3. Step 3: Cross multiply
    140,124.48x = 210,239.28 × 84,004.56
  4. Step 4: Simplify right side
    140,124.48x = 17,661,058,211.12
  5. Step 5: Solve for x
    x = 17,661,058,211.12/140,124.48
  6. Step 6: Final answer
    x = 126,038.35

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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.