Home / 136,117.02-187,844.74-75,690.20

Finding the Fourth Proportional to 136,117.02, 187,844.74 and 75,690.20

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Solution

The fourth proportional to 136,117.02, 187,844.74 and 75,690.20 is: 104,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,117.02 : 187,844.74 = 75,690.20 : x
  2. Step 2: Convert to fraction form
    136,117.02/187,844.74 = 75,690.20/x
  3. Step 3: Cross multiply
    136,117.02x = 187,844.74 × 75,690.20
  4. Step 4: Simplify right side
    136,117.02x = 14,218,005,939.55
  5. Step 5: Solve for x
    x = 14,218,005,939.55/136,117.02
  6. Step 6: Final answer
    x = 104,454.28

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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.