Home / 124,429.20-186,643.80-84,512.40

Finding the Fourth Proportional to 124,429.20, 186,643.80 and 84,512.40

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Solution

The fourth proportional to 124,429.20, 186,643.80 and 84,512.40 is: 126,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,429.20 : 186,643.80 = 84,512.40 : x
  2. Step 2: Convert to fraction form
    124,429.20/186,643.80 = 84,512.40/x
  3. Step 3: Cross multiply
    124,429.20x = 186,643.80 × 84,512.40
  4. Step 4: Simplify right side
    124,429.20x = 15,773,715,483.12
  5. Step 5: Solve for x
    x = 15,773,715,483.12/124,429.20
  6. Step 6: Final answer
    x = 126,768.60

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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.