Home / 157,507.36-236,061.60-68,737.12

Finding the Fourth Proportional to 157,507.36, 236,061.60 and 68,737.12

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Solution

The fourth proportional to 157,507.36, 236,061.60 and 68,737.12 is: 103,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,507.36 : 236,061.60 = 68,737.12 : x
  2. Step 2: Convert to fraction form
    157,507.36/236,061.60 = 68,737.12/x
  3. Step 3: Cross multiply
    157,507.36x = 236,061.60 × 68,737.12
  4. Step 4: Simplify right side
    157,507.36x = 16,226,194,526.59
  5. Step 5: Solve for x
    x = 16,226,194,526.59/157,507.36
  6. Step 6: Final answer
    x = 103,018.64

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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.