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Finding the Fourth Proportional to 157,901.64, 236,428.04 and 120,282.51

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Solution

The fourth proportional to 157,901.64, 236,428.04 and 120,282.51 is: 180,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,901.64 : 236,428.04 = 120,282.51 : x
  2. Step 2: Convert to fraction form
    157,901.64/236,428.04 = 120,282.51/x
  3. Step 3: Cross multiply
    157,901.64x = 236,428.04 × 120,282.51
  4. Step 4: Simplify right side
    157,901.64x = 28,438,156,302.03
  5. Step 5: Solve for x
    x = 28,438,156,302.03/157,901.64
  6. Step 6: Final answer
    x = 180,100.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.