Home / 142,151.35-213,047.96-124,339.60

Finding the Fourth Proportional to 142,151.35, 213,047.96 and 124,339.60

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Solution

The fourth proportional to 142,151.35, 213,047.96 and 124,339.60 is: 186,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,151.35 : 213,047.96 = 124,339.60 : x
  2. Step 2: Convert to fraction form
    142,151.35/213,047.96 = 124,339.60/x
  3. Step 3: Cross multiply
    142,151.35x = 213,047.96 × 124,339.60
  4. Step 4: Simplify right side
    142,151.35x = 26,490,296,972.90
  5. Step 5: Solve for x
    x = 26,490,296,972.90/142,151.35
  6. Step 6: Final answer
    x = 186,352.77

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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.