Home / 138,415.04-207,442.08-63,508.16

Finding the Fourth Proportional to 138,415.04, 207,442.08 and 63,508.16

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Solution

The fourth proportional to 138,415.04, 207,442.08 and 63,508.16 is: 95,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,415.04 : 207,442.08 = 63,508.16 : x
  2. Step 2: Convert to fraction form
    138,415.04/207,442.08 = 63,508.16/x
  3. Step 3: Cross multiply
    138,415.04x = 207,442.08 × 63,508.16
  4. Step 4: Simplify right side
    138,415.04x = 13,174,264,807.37
  5. Step 5: Solve for x
    x = 13,174,264,807.37/138,415.04
  6. Step 6: Final answer
    x = 95,179.43

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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.