Home / 155,214.85-232,722.09-74,118.00

Finding the Fourth Proportional to 155,214.85, 232,722.09 and 74,118.00

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Solution

The fourth proportional to 155,214.85, 232,722.09 and 74,118.00 is: 111,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,214.85 : 232,722.09 = 74,118.00 : x
  2. Step 2: Convert to fraction form
    155,214.85/232,722.09 = 74,118.00/x
  3. Step 3: Cross multiply
    155,214.85x = 232,722.09 × 74,118.00
  4. Step 4: Simplify right side
    155,214.85x = 17,248,895,549.07
  5. Step 5: Solve for x
    x = 17,248,895,549.07/155,214.85
  6. Step 6: Final answer
    x = 111,129.16

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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.