Home / 127,715.99-176,253.53-71,127.36

Finding the Fourth Proportional to 127,715.99, 176,253.53 and 71,127.36

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Solution

The fourth proportional to 127,715.99, 176,253.53 and 71,127.36 is: 98,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,715.99 : 176,253.53 = 71,127.36 : x
  2. Step 2: Convert to fraction form
    127,715.99/176,253.53 = 71,127.36/x
  3. Step 3: Cross multiply
    127,715.99x = 176,253.53 × 71,127.36
  4. Step 4: Simplify right side
    127,715.99x = 12,536,448,279.58
  5. Step 5: Solve for x
    x = 12,536,448,279.58/127,715.99
  6. Step 6: Final answer
    x = 98,158.80

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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.