Home / 217,623.18-326,527.04-105,387.02

Finding the Fourth Proportional to 217,623.18, 326,527.04 and 105,387.02

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Solution

The fourth proportional to 217,623.18, 326,527.04 and 105,387.02 is: 158,125.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,623.18 : 326,527.04 = 105,387.02 : x
  2. Step 2: Convert to fraction form
    217,623.18/326,527.04 = 105,387.02/x
  3. Step 3: Cross multiply
    217,623.18x = 326,527.04 × 105,387.02
  4. Step 4: Simplify right side
    217,623.18x = 34,411,712,774.81
  5. Step 5: Solve for x
    x = 34,411,712,774.81/217,623.18
  6. Step 6: Final answer
    x = 158,125.22

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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.