Home / 173,007.90-257,792.04-154,143

Finding the Fourth Proportional to 173,007.90, 257,792.04 and 154,143

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Solution

The fourth proportional to 173,007.90, 257,792.04 and 154,143 is: 229,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,007.90 : 257,792.04 = 154,143 : x
  2. Step 2: Convert to fraction form
    173,007.90/257,792.04 = 154,143/x
  3. Step 3: Cross multiply
    173,007.90x = 257,792.04 × 154,143
  4. Step 4: Simplify right side
    173,007.90x = 39,736,838,421.72
  5. Step 5: Solve for x
    x = 39,736,838,421.72/173,007.90
  6. Step 6: Final answer
    x = 229,682.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.