Home / 105,415.00-158,122.51-30,535.18

Finding the Fourth Proportional to 105,415.00, 158,122.51 and 30,535.18

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Solution

The fourth proportional to 105,415.00, 158,122.51 and 30,535.18 is: 45,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,415.00 : 158,122.51 = 30,535.18 : x
  2. Step 2: Convert to fraction form
    105,415.00/158,122.51 = 30,535.18/x
  3. Step 3: Cross multiply
    105,415.00x = 158,122.51 × 30,535.18
  4. Step 4: Simplify right side
    105,415.00x = 4,828,298,833.26
  5. Step 5: Solve for x
    x = 4,828,298,833.26/105,415.00
  6. Step 6: Final answer
    x = 45,802.77

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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.