Home / 140,478.19-210,717.50-57,372.19

Finding the Fourth Proportional to 140,478.19, 210,717.50 and 57,372.19

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Solution

The fourth proportional to 140,478.19, 210,717.50 and 57,372.19 is: 86,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,478.19 : 210,717.50 = 57,372.19 : x
  2. Step 2: Convert to fraction form
    140,478.19/210,717.50 = 57,372.19/x
  3. Step 3: Cross multiply
    140,478.19x = 210,717.50 × 57,372.19
  4. Step 4: Simplify right side
    140,478.19x = 12,089,323,632.67
  5. Step 5: Solve for x
    x = 12,089,323,632.67/140,478.19
  6. Step 6: Final answer
    x = 86,058.37

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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.