Home / 124,218.40-186,327.60-120,762.40

Finding the Fourth Proportional to 124,218.40, 186,327.60 and 120,762.40

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Solution

The fourth proportional to 124,218.40, 186,327.60 and 120,762.40 is: 181,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,218.40 : 186,327.60 = 120,762.40 : x
  2. Step 2: Convert to fraction form
    124,218.40/186,327.60 = 120,762.40/x
  3. Step 3: Cross multiply
    124,218.40x = 186,327.60 × 120,762.40
  4. Step 4: Simplify right side
    124,218.40x = 22,501,368,162.24
  5. Step 5: Solve for x
    x = 22,501,368,162.24/124,218.40
  6. Step 6: Final answer
    x = 181,143.60

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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.