Home / 136,130.31-187,697.07-88,366.23

Finding the Fourth Proportional to 136,130.31, 187,697.07 and 88,366.23

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Solution

The fourth proportional to 136,130.31, 187,697.07 and 88,366.23 is: 121,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,130.31 : 187,697.07 = 88,366.23 : x
  2. Step 2: Convert to fraction form
    136,130.31/187,697.07 = 88,366.23/x
  3. Step 3: Cross multiply
    136,130.31x = 187,697.07 × 88,366.23
  4. Step 4: Simplify right side
    136,130.31x = 16,586,082,457.95
  5. Step 5: Solve for x
    x = 16,586,082,457.95/136,130.31
  6. Step 6: Final answer
    x = 121,839.75

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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.