Home / 155,285.96-214,332.18-144,779.72

Finding the Fourth Proportional to 155,285.96, 214,332.18 and 144,779.72

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Solution

The fourth proportional to 155,285.96, 214,332.18 and 144,779.72 is: 199,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,285.96 : 214,332.18 = 144,779.72 : x
  2. Step 2: Convert to fraction form
    155,285.96/214,332.18 = 144,779.72/x
  3. Step 3: Cross multiply
    155,285.96x = 214,332.18 × 144,779.72
  4. Step 4: Simplify right side
    155,285.96x = 31,030,953,007.39
  5. Step 5: Solve for x
    x = 31,030,953,007.39/155,285.96
  6. Step 6: Final answer
    x = 199,831.03

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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.