Home / 114,130.87-157,505.24-63,142.72

Finding the Fourth Proportional to 114,130.87, 157,505.24 and 63,142.72

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Solution

The fourth proportional to 114,130.87, 157,505.24 and 63,142.72 is: 87,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,130.87 : 157,505.24 = 63,142.72 : x
  2. Step 2: Convert to fraction form
    114,130.87/157,505.24 = 63,142.72/x
  3. Step 3: Cross multiply
    114,130.87x = 157,505.24 × 63,142.72
  4. Step 4: Simplify right side
    114,130.87x = 9,945,309,267.85
  5. Step 5: Solve for x
    x = 9,945,309,267.85/114,130.87
  6. Step 6: Final answer
    x = 87,139.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.