Home / 187,024.64-280,631.36-81,844.16

Finding the Fourth Proportional to 187,024.64, 280,631.36 and 81,844.16

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Solution

The fourth proportional to 187,024.64, 280,631.36 and 81,844.16 is: 122,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,024.64 : 280,631.36 = 81,844.16 : x
  2. Step 2: Convert to fraction form
    187,024.64/280,631.36 = 81,844.16/x
  3. Step 3: Cross multiply
    187,024.64x = 280,631.36 × 81,844.16
  4. Step 4: Simplify right side
    187,024.64x = 22,968,037,928.86
  5. Step 5: Solve for x
    x = 22,968,037,928.86/187,024.64
  6. Step 6: Final answer
    x = 122,807.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.