Home / 127,835.84-176,331.12-84,814.40

Finding the Fourth Proportional to 127,835.84, 176,331.12 and 84,814.40

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Solution

The fourth proportional to 127,835.84, 176,331.12 and 84,814.40 is: 116,989.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,835.84 : 176,331.12 = 84,814.40 : x
  2. Step 2: Convert to fraction form
    127,835.84/176,331.12 = 84,814.40/x
  3. Step 3: Cross multiply
    127,835.84x = 176,331.12 × 84,814.40
  4. Step 4: Simplify right side
    127,835.84x = 14,955,418,144.13
  5. Step 5: Solve for x
    x = 14,955,418,144.13/127,835.84
  6. Step 6: Final answer
    x = 116,989.24

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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.