Home / 109,864.32-164,527.74-99,214.74

Finding the Fourth Proportional to 109,864.32, 164,527.74 and 99,214.74

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Solution

The fourth proportional to 109,864.32, 164,527.74 and 99,214.74 is: 148,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,864.32 : 164,527.74 = 99,214.74 : x
  2. Step 2: Convert to fraction form
    109,864.32/164,527.74 = 99,214.74/x
  3. Step 3: Cross multiply
    109,864.32x = 164,527.74 × 99,214.74
  4. Step 4: Simplify right side
    109,864.32x = 16,323,576,946.89
  5. Step 5: Solve for x
    x = 16,323,576,946.89/109,864.32
  6. Step 6: Final answer
    x = 148,579.42

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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.