Home / 155,435.40-233,153.10-118,110.60

Finding the Fourth Proportional to 155,435.40, 233,153.10 and 118,110.60

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Solution

The fourth proportional to 155,435.40, 233,153.10 and 118,110.60 is: 177,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,435.40 : 233,153.10 = 118,110.60 : x
  2. Step 2: Convert to fraction form
    155,435.40/233,153.10 = 118,110.60/x
  3. Step 3: Cross multiply
    155,435.40x = 233,153.10 × 118,110.60
  4. Step 4: Simplify right side
    155,435.40x = 27,537,852,532.86
  5. Step 5: Solve for x
    x = 27,537,852,532.86/155,435.40
  6. Step 6: Final answer
    x = 177,165.90

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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.