Home / 105,477.36-158,195.88-31,605.36

Finding the Fourth Proportional to 105,477.36, 158,195.88 and 31,605.36

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Solution

The fourth proportional to 105,477.36, 158,195.88 and 31,605.36 is: 47,402.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,477.36 : 158,195.88 = 31,605.36 : x
  2. Step 2: Convert to fraction form
    105,477.36/158,195.88 = 31,605.36/x
  3. Step 3: Cross multiply
    105,477.36x = 158,195.88 × 31,605.36
  4. Step 4: Simplify right side
    105,477.36x = 4,999,837,737.92
  5. Step 5: Solve for x
    x = 4,999,837,737.92/105,477.36
  6. Step 6: Final answer
    x = 47,402.00

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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.