Home / 124,277.39-171,444.17-84,005.21

Finding the Fourth Proportional to 124,277.39, 171,444.17 and 84,005.21

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Solution

The fourth proportional to 124,277.39, 171,444.17 and 84,005.21 is: 115,887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,277.39 : 171,444.17 = 84,005.21 : x
  2. Step 2: Convert to fraction form
    124,277.39/171,444.17 = 84,005.21/x
  3. Step 3: Cross multiply
    124,277.39x = 171,444.17 × 84,005.21
  4. Step 4: Simplify right side
    124,277.39x = 14,402,203,084.10
  5. Step 5: Solve for x
    x = 14,402,203,084.10/124,277.39
  6. Step 6: Final answer
    x = 115,887.56

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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.