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Finding the Fourth Proportional to 114,754.60, 172,136.76 and 35,870.32

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Solution

The fourth proportional to 114,754.60, 172,136.76 and 35,870.32 is: 53,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,754.60 : 172,136.76 = 35,870.32 : x
  2. Step 2: Convert to fraction form
    114,754.60/172,136.76 = 35,870.32/x
  3. Step 3: Cross multiply
    114,754.60x = 172,136.76 × 35,870.32
  4. Step 4: Simplify right side
    114,754.60x = 6,174,600,664.96
  5. Step 5: Solve for x
    x = 6,174,600,664.96/114,754.60
  6. Step 6: Final answer
    x = 53,807.00

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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.