Home / 137,946.24-190,346.15-77,513.96

Finding the Fourth Proportional to 137,946.24, 190,346.15 and 77,513.96

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Solution

The fourth proportional to 137,946.24, 190,346.15 and 77,513.96 is: 106,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,946.24 : 190,346.15 = 77,513.96 : x
  2. Step 2: Convert to fraction form
    137,946.24/190,346.15 = 77,513.96/x
  3. Step 3: Cross multiply
    137,946.24x = 190,346.15 × 77,513.96
  4. Step 4: Simplify right side
    137,946.24x = 14,754,484,526.90
  5. Step 5: Solve for x
    x = 14,754,484,526.90/137,946.24
  6. Step 6: Final answer
    x = 106,958.22

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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.