Home / 145,262.79-217,908.35-56,523.51

Finding the Fourth Proportional to 145,262.79, 217,908.35 and 56,523.51

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Solution

The fourth proportional to 145,262.79, 217,908.35 and 56,523.51 is: 84,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,262.79 : 217,908.35 = 56,523.51 : x
  2. Step 2: Convert to fraction form
    145,262.79/217,908.35 = 56,523.51/x
  3. Step 3: Cross multiply
    145,262.79x = 217,908.35 × 56,523.51
  4. Step 4: Simplify right side
    145,262.79x = 12,316,944,517.69
  5. Step 5: Solve for x
    x = 12,316,944,517.69/145,262.79
  6. Step 6: Final answer
    x = 84,790.77

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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.