Home / 151,225.35-208,710.86-86,719.83

Finding the Fourth Proportional to 151,225.35, 208,710.86 and 86,719.83

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Solution

The fourth proportional to 151,225.35, 208,710.86 and 86,719.83 is: 119,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,225.35 : 208,710.86 = 86,719.83 : x
  2. Step 2: Convert to fraction form
    151,225.35/208,710.86 = 86,719.83/x
  3. Step 3: Cross multiply
    151,225.35x = 208,710.86 × 86,719.83
  4. Step 4: Simplify right side
    151,225.35x = 18,099,369,864.75
  5. Step 5: Solve for x
    x = 18,099,369,864.75/151,225.35
  6. Step 6: Final answer
    x = 119,684.76

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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.