Home / 155,440.90-233,161.35-118,116.10

Finding the Fourth Proportional to 155,440.90, 233,161.35 and 118,116.10

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Solution

The fourth proportional to 155,440.90, 233,161.35 and 118,116.10 is: 177,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,440.90 : 233,161.35 = 118,116.10 : x
  2. Step 2: Convert to fraction form
    155,440.90/233,161.35 = 118,116.10/x
  3. Step 3: Cross multiply
    155,440.90x = 233,161.35 × 118,116.10
  4. Step 4: Simplify right side
    155,440.90x = 27,540,109,332.74
  5. Step 5: Solve for x
    x = 27,540,109,332.74/155,440.90
  6. Step 6: Final answer
    x = 177,174.15

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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.