Home / 157,954.16-236,997.12-69,271.40

Finding the Fourth Proportional to 157,954.16, 236,997.12 and 69,271.40

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Solution

The fourth proportional to 157,954.16, 236,997.12 and 69,271.40 is: 103,935.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,954.16 : 236,997.12 = 69,271.40 : x
  2. Step 2: Convert to fraction form
    157,954.16/236,997.12 = 69,271.40/x
  3. Step 3: Cross multiply
    157,954.16x = 236,997.12 × 69,271.40
  4. Step 4: Simplify right side
    157,954.16x = 16,417,122,298.37
  5. Step 5: Solve for x
    x = 16,417,122,298.37/157,954.16
  6. Step 6: Final answer
    x = 103,935.99

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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.