Home / 145,133.72-217,714.33-56,394.07

Finding the Fourth Proportional to 145,133.72, 217,714.33 and 56,394.07

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Solution

The fourth proportional to 145,133.72, 217,714.33 and 56,394.07 is: 84,596.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,133.72 : 217,714.33 = 56,394.07 : x
  2. Step 2: Convert to fraction form
    145,133.72/217,714.33 = 56,394.07/x
  3. Step 3: Cross multiply
    145,133.72x = 217,714.33 × 56,394.07
  4. Step 4: Simplify right side
    145,133.72x = 12,277,797,916.87
  5. Step 5: Solve for x
    x = 12,277,797,916.87/145,133.72
  6. Step 6: Final answer
    x = 84,596.45

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1.5x scale

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.