Home / 140,403.96-210,384.54-51,535.20

Finding the Fourth Proportional to 140,403.96, 210,384.54 and 51,535.20

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Solution

The fourth proportional to 140,403.96, 210,384.54 and 51,535.20 is: 77,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,403.96 : 210,384.54 = 51,535.20 : x
  2. Step 2: Convert to fraction form
    140,403.96/210,384.54 = 51,535.20/x
  3. Step 3: Cross multiply
    140,403.96x = 210,384.54 × 51,535.20
  4. Step 4: Simplify right side
    140,403.96x = 10,842,209,345.81
  5. Step 5: Solve for x
    x = 10,842,209,345.81/140,403.96
  6. Step 6: Final answer
    x = 77,221.54

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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.