Home / 155,254.38-232,881.54-66,450.30

Finding the Fourth Proportional to 155,254.38, 232,881.54 and 66,450.30

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Solution

The fourth proportional to 155,254.38, 232,881.54 and 66,450.30 is: 99,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,254.38 : 232,881.54 = 66,450.30 : x
  2. Step 2: Convert to fraction form
    155,254.38/232,881.54 = 66,450.30/x
  3. Step 3: Cross multiply
    155,254.38x = 232,881.54 × 66,450.30
  4. Step 4: Simplify right side
    155,254.38x = 15,475,048,197.46
  5. Step 5: Solve for x
    x = 15,475,048,197.46/155,254.38
  6. Step 6: Final answer
    x = 99,675.44

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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.