Home / 136,196.90-187,900.14-84,490.10

Finding the Fourth Proportional to 136,196.90, 187,900.14 and 84,490.10

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Solution

The fourth proportional to 136,196.90, 187,900.14 and 84,490.10 is: 116,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,196.90 : 187,900.14 = 84,490.10 : x
  2. Step 2: Convert to fraction form
    136,196.90/187,900.14 = 84,490.10/x
  3. Step 3: Cross multiply
    136,196.90x = 187,900.14 × 84,490.10
  4. Step 4: Simplify right side
    136,196.90x = 15,875,701,618.61
  5. Step 5: Solve for x
    x = 15,875,701,618.61/136,196.90
  6. Step 6: Final answer
    x = 116,564.34

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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.