Home / 155,442.60-233,048.70-66,623.40

Finding the Fourth Proportional to 155,442.60, 233,048.70 and 66,623.40

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Solution

The fourth proportional to 155,442.60, 233,048.70 and 66,623.40 is: 99,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,442.60 : 233,048.70 = 66,623.40 : x
  2. Step 2: Convert to fraction form
    155,442.60/233,048.70 = 66,623.40/x
  3. Step 3: Cross multiply
    155,442.60x = 233,048.70 × 66,623.40
  4. Step 4: Simplify right side
    155,442.60x = 15,526,496,759.58
  5. Step 5: Solve for x
    x = 15,526,496,759.58/155,442.60
  6. Step 6: Final answer
    x = 99,885.72

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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.