Home / 124,211.80-186,317.70-88,782.40

Finding the Fourth Proportional to 124,211.80, 186,317.70 and 88,782.40

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Solution

The fourth proportional to 124,211.80, 186,317.70 and 88,782.40 is: 133,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,211.80 : 186,317.70 = 88,782.40 : x
  2. Step 2: Convert to fraction form
    124,211.80/186,317.70 = 88,782.40/x
  3. Step 3: Cross multiply
    124,211.80x = 186,317.70 × 88,782.40
  4. Step 4: Simplify right side
    124,211.80x = 16,541,732,568.48
  5. Step 5: Solve for x
    x = 16,541,732,568.48/124,211.80
  6. Step 6: Final answer
    x = 133,173.60

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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.