Home / 157,035.46-235,429.26-78,106.63

Finding the Fourth Proportional to 157,035.46, 235,429.26 and 78,106.63

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Solution

The fourth proportional to 157,035.46, 235,429.26 and 78,106.63 is: 117,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,035.46 : 235,429.26 = 78,106.63 : x
  2. Step 2: Convert to fraction form
    157,035.46/235,429.26 = 78,106.63/x
  3. Step 3: Cross multiply
    157,035.46x = 235,429.26 × 78,106.63
  4. Step 4: Simplify right side
    157,035.46x = 18,388,586,101.99
  5. Step 5: Solve for x
    x = 18,388,586,101.99/157,035.46
  6. Step 6: Final answer
    x = 117,098.30

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1.5x scale

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.