Home / 155,207.73-232,762.39-66,437.40

Finding the Fourth Proportional to 155,207.73, 232,762.39 and 66,437.40

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Solution

The fourth proportional to 155,207.73, 232,762.39 and 66,437.40 is: 99,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,207.73 : 232,762.39 = 66,437.40 : x
  2. Step 2: Convert to fraction form
    155,207.73/232,762.39 = 66,437.40/x
  3. Step 3: Cross multiply
    155,207.73x = 232,762.39 × 66,437.40
  4. Step 4: Simplify right side
    155,207.73x = 15,464,128,009.39
  5. Step 5: Solve for x
    x = 15,464,128,009.39/155,207.73
  6. Step 6: Final answer
    x = 99,635.04

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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.