Home / 127,521.49-175,700.59-84,427.87

Finding the Fourth Proportional to 127,521.49, 175,700.59 and 84,427.87

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Solution

The fourth proportional to 127,521.49, 175,700.59 and 84,427.87 is: 116,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,521.49 : 175,700.59 = 84,427.87 : x
  2. Step 2: Convert to fraction form
    127,521.49/175,700.59 = 84,427.87/x
  3. Step 3: Cross multiply
    127,521.49x = 175,700.59 × 84,427.87
  4. Step 4: Simplify right side
    127,521.49x = 14,834,026,571.44
  5. Step 5: Solve for x
    x = 14,834,026,571.44/127,521.49
  6. Step 6: Final answer
    x = 116,325.70

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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.