Home / 127,952.21-176,574.29-71,367.23

Finding the Fourth Proportional to 127,952.21, 176,574.29 and 71,367.23

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Solution

The fourth proportional to 127,952.21, 176,574.29 and 71,367.23 is: 98,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,952.21 : 176,574.29 = 71,367.23 : x
  2. Step 2: Convert to fraction form
    127,952.21/176,574.29 = 71,367.23/x
  3. Step 3: Cross multiply
    127,952.21x = 176,574.29 × 71,367.23
  4. Step 4: Simplify right side
    127,952.21x = 12,601,617,966.52
  5. Step 5: Solve for x
    x = 12,601,617,966.52/127,952.21
  6. Step 6: Final answer
    x = 98,486.91

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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.