Home / 155,621.90-233,104.80-139,000.70

Finding the Fourth Proportional to 155,621.90, 233,104.80 and 139,000.70

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Solution

The fourth proportional to 155,621.90, 233,104.80 and 139,000.70 is: 208,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,621.90 : 233,104.80 = 139,000.70 : x
  2. Step 2: Convert to fraction form
    155,621.90/233,104.80 = 139,000.70/x
  3. Step 3: Cross multiply
    155,621.90x = 233,104.80 × 139,000.70
  4. Step 4: Simplify right side
    155,621.90x = 32,401,730,373.36
  5. Step 5: Solve for x
    x = 32,401,730,373.36/155,621.90
  6. Step 6: Final answer
    x = 208,208.04

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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.