Home / 157,025.79-235,396.16-57,115.36

Finding the Fourth Proportional to 157,025.79, 235,396.16 and 57,115.36

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Solution

The fourth proportional to 157,025.79, 235,396.16 and 57,115.36 is: 85,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,025.79 : 235,396.16 = 57,115.36 : x
  2. Step 2: Convert to fraction form
    157,025.79/235,396.16 = 57,115.36/x
  3. Step 3: Cross multiply
    157,025.79x = 235,396.16 × 57,115.36
  4. Step 4: Simplify right side
    157,025.79x = 13,444,736,643.87
  5. Step 5: Solve for x
    x = 13,444,736,643.87/157,025.79
  6. Step 6: Final answer
    x = 85,621.20

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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.