Home / 121,410.20-182,028.90-46,501.40

Finding the Fourth Proportional to 121,410.20, 182,028.90 and 46,501.40

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Solution

The fourth proportional to 121,410.20, 182,028.90 and 46,501.40 is: 69,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,410.20 : 182,028.90 = 46,501.40 : x
  2. Step 2: Convert to fraction form
    121,410.20/182,028.90 = 46,501.40/x
  3. Step 3: Cross multiply
    121,410.20x = 182,028.90 × 46,501.40
  4. Step 4: Simplify right side
    121,410.20x = 8,464,598,690.46
  5. Step 5: Solve for x
    x = 8,464,598,690.46/121,410.20
  6. Step 6: Final answer
    x = 69,719.01

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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.