Home / 124,666.20-186,999.30-72,014.18

Finding the Fourth Proportional to 124,666.20, 186,999.30 and 72,014.18

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Solution

The fourth proportional to 124,666.20, 186,999.30 and 72,014.18 is: 108,021.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,666.20 : 186,999.30 = 72,014.18 : x
  2. Step 2: Convert to fraction form
    124,666.20/186,999.30 = 72,014.18/x
  3. Step 3: Cross multiply
    124,666.20x = 186,999.30 × 72,014.18
  4. Step 4: Simplify right side
    124,666.20x = 13,466,600,315.08
  5. Step 5: Solve for x
    x = 13,466,600,315.08/124,666.20
  6. Step 6: Final answer
    x = 108,021.26

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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.