Home / 161,981.10-242,963.91-56,792.07

Finding the Fourth Proportional to 161,981.10, 242,963.91 and 56,792.07

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Solution

The fourth proportional to 161,981.10, 242,963.91 and 56,792.07 is: 85,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,981.10 : 242,963.91 = 56,792.07 : x
  2. Step 2: Convert to fraction form
    161,981.10/242,963.91 = 56,792.07/x
  3. Step 3: Cross multiply
    161,981.10x = 242,963.91 × 56,792.07
  4. Step 4: Simplify right side
    161,981.10x = 13,798,423,384.19
  5. Step 5: Solve for x
    x = 13,798,423,384.19/161,981.10
  6. Step 6: Final answer
    x = 85,185.39

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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.