Home / 124,403.10-171,678.76-67,814.42

Finding the Fourth Proportional to 124,403.10, 171,678.76 and 67,814.42

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Solution

The fourth proportional to 124,403.10, 171,678.76 and 67,814.42 is: 93,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,403.10 : 171,678.76 = 67,814.42 : x
  2. Step 2: Convert to fraction form
    124,403.10/171,678.76 = 67,814.42/x
  3. Step 3: Cross multiply
    124,403.10x = 171,678.76 × 67,814.42
  4. Step 4: Simplify right side
    124,403.10x = 11,642,295,535.72
  5. Step 5: Solve for x
    x = 11,642,295,535.72/124,403.10
  6. Step 6: Final answer
    x = 93,585.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.