Home / 136,017.54-187,700.47-75,586.64

Finding the Fourth Proportional to 136,017.54, 187,700.47 and 75,586.64

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Solution

The fourth proportional to 136,017.54, 187,700.47 and 75,586.64 is: 104,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,017.54 : 187,700.47 = 75,586.64 : x
  2. Step 2: Convert to fraction form
    136,017.54/187,700.47 = 75,586.64/x
  3. Step 3: Cross multiply
    136,017.54x = 187,700.47 × 75,586.64
  4. Step 4: Simplify right side
    136,017.54x = 14,187,646,726.25
  5. Step 5: Solve for x
    x = 14,187,646,726.25/136,017.54
  6. Step 6: Final answer
    x = 104,307.48

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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.