Home / 101,535.92-152,328.18-31,415.23

Finding the Fourth Proportional to 101,535.92, 152,328.18 and 31,415.23

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Solution

The fourth proportional to 101,535.92, 152,328.18 and 31,415.23 is: 47,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,535.92 : 152,328.18 = 31,415.23 : x
  2. Step 2: Convert to fraction form
    101,535.92/152,328.18 = 31,415.23/x
  3. Step 3: Cross multiply
    101,535.92x = 152,328.18 × 31,415.23
  4. Step 4: Simplify right side
    101,535.92x = 4,785,424,810.18
  5. Step 5: Solve for x
    x = 4,785,424,810.18/101,535.92
  6. Step 6: Final answer
    x = 47,130.36

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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.