Home / 155,621.13-233,247.15-139,751.70

Finding the Fourth Proportional to 155,621.13, 233,247.15 and 139,751.70

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Solution

The fourth proportional to 155,621.13, 233,247.15 and 139,751.70 is: 209,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,621.13 : 233,247.15 = 139,751.70 : x
  2. Step 2: Convert to fraction form
    155,621.13/233,247.15 = 139,751.70/x
  3. Step 3: Cross multiply
    155,621.13x = 233,247.15 × 139,751.70
  4. Step 4: Simplify right side
    155,621.13x = 32,596,685,732.66
  5. Step 5: Solve for x
    x = 32,596,685,732.66/155,621.13
  6. Step 6: Final answer
    x = 209,461.82

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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.