Home / 155,837.52-233,902.08-85,620.24

Finding the Fourth Proportional to 155,837.52, 233,902.08 and 85,620.24

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Solution

The fourth proportional to 155,837.52, 233,902.08 and 85,620.24 is: 128,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,837.52 : 233,902.08 = 85,620.24 : x
  2. Step 2: Convert to fraction form
    155,837.52/233,902.08 = 85,620.24/x
  3. Step 3: Cross multiply
    155,837.52x = 233,902.08 × 85,620.24
  4. Step 4: Simplify right side
    155,837.52x = 20,026,752,226.10
  5. Step 5: Solve for x
    x = 20,026,752,226.10/155,837.52
  6. Step 6: Final answer
    x = 128,510.47

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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.