Home / 115,262.36-172,557.30-70,754.18

Finding the Fourth Proportional to 115,262.36, 172,557.30 and 70,754.18

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Solution

The fourth proportional to 115,262.36, 172,557.30 and 70,754.18 is: 105,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,262.36 : 172,557.30 = 70,754.18 : x
  2. Step 2: Convert to fraction form
    115,262.36/172,557.30 = 70,754.18/x
  3. Step 3: Cross multiply
    115,262.36x = 172,557.30 × 70,754.18
  4. Step 4: Simplify right side
    115,262.36x = 12,209,150,264.51
  5. Step 5: Solve for x
    x = 12,209,150,264.51/115,262.36
  6. Step 6: Final answer
    x = 105,924.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.