Home / 131,573.10-181,572.79-74,215.16

Finding the Fourth Proportional to 131,573.10, 181,572.79 and 74,215.16

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Solution

The fourth proportional to 131,573.10, 181,572.79 and 74,215.16 is: 102,417.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,573.10 : 181,572.79 = 74,215.16 : x
  2. Step 2: Convert to fraction form
    131,573.10/181,572.79 = 74,215.16/x
  3. Step 3: Cross multiply
    131,573.10x = 181,572.79 × 74,215.16
  4. Step 4: Simplify right side
    131,573.10x = 13,475,452,753.63
  5. Step 5: Solve for x
    x = 13,475,452,753.63/131,573.10
  6. Step 6: Final answer
    x = 102,417.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.