Home / 127,812.30-176,372.94-70,448.46

Finding the Fourth Proportional to 127,812.30, 176,372.94 and 70,448.46

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Solution

The fourth proportional to 127,812.30, 176,372.94 and 70,448.46 is: 97,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,812.30 : 176,372.94 = 70,448.46 : x
  2. Step 2: Convert to fraction form
    127,812.30/176,372.94 = 70,448.46/x
  3. Step 3: Cross multiply
    127,812.30x = 176,372.94 × 70,448.46
  4. Step 4: Simplify right side
    127,812.30x = 12,425,201,513.10
  5. Step 5: Solve for x
    x = 12,425,201,513.10/127,812.30
  6. Step 6: Final answer
    x = 97,214.45

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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.