Home / 168,430.12-232,472.64-111,079.80

Finding the Fourth Proportional to 168,430.12, 232,472.64 and 111,079.80

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Solution

The fourth proportional to 168,430.12, 232,472.64 and 111,079.80 is: 153,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,430.12 : 232,472.64 = 111,079.80 : x
  2. Step 2: Convert to fraction form
    168,430.12/232,472.64 = 111,079.80/x
  3. Step 3: Cross multiply
    168,430.12x = 232,472.64 × 111,079.80
  4. Step 4: Simplify right side
    168,430.12x = 25,823,014,356.67
  5. Step 5: Solve for x
    x = 25,823,014,356.67/168,430.12
  6. Step 6: Final answer
    x = 153,315.89

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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.