Home / 131,398.36-181,329.68-70,968.98

Finding the Fourth Proportional to 131,398.36, 181,329.68 and 70,968.98

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Solution

The fourth proportional to 131,398.36, 181,329.68 and 70,968.98 is: 97,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,398.36 : 181,329.68 = 70,968.98 : x
  2. Step 2: Convert to fraction form
    131,398.36/181,329.68 = 70,968.98/x
  3. Step 3: Cross multiply
    131,398.36x = 181,329.68 × 70,968.98
  4. Step 4: Simplify right side
    131,398.36x = 12,868,782,433.33
  5. Step 5: Solve for x
    x = 12,868,782,433.33/131,398.36
  6. Step 6: Final answer
    x = 97,937.16

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1.5x scale

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.