Home / 103,072.02-154,605.84-28,192.17

Finding the Fourth Proportional to 103,072.02, 154,605.84 and 28,192.17

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Solution

The fourth proportional to 103,072.02, 154,605.84 and 28,192.17 is: 42,287.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,072.02 : 154,605.84 = 28,192.17 : x
  2. Step 2: Convert to fraction form
    103,072.02/154,605.84 = 28,192.17/x
  3. Step 3: Cross multiply
    103,072.02x = 154,605.84 × 28,192.17
  4. Step 4: Simplify right side
    103,072.02x = 4,358,673,807.96
  5. Step 5: Solve for x
    x = 4,358,673,807.96/103,072.02
  6. Step 6: Final answer
    x = 42,287.65

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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.