Home / 131,386.77-181,313.70-70,957.43

Finding the Fourth Proportional to 131,386.77, 181,313.70 and 70,957.43

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Solution

The fourth proportional to 131,386.77, 181,313.70 and 70,957.43 is: 97,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,386.77 : 181,313.70 = 70,957.43 : x
  2. Step 2: Convert to fraction form
    131,386.77/181,313.70 = 70,957.43/x
  3. Step 3: Cross multiply
    131,386.77x = 181,313.70 × 70,957.43
  4. Step 4: Simplify right side
    131,386.77x = 12,865,553,003.13
  5. Step 5: Solve for x
    x = 12,865,553,003.13/131,386.77
  6. Step 6: Final answer
    x = 97,921.22

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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.