Home / 158,872.32-219,256.74-87,266.16

Finding the Fourth Proportional to 158,872.32, 219,256.74 and 87,266.16

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Solution

The fourth proportional to 158,872.32, 219,256.74 and 87,266.16 is: 120,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,872.32 : 219,256.74 = 87,266.16 : x
  2. Step 2: Convert to fraction form
    158,872.32/219,256.74 = 87,266.16/x
  3. Step 3: Cross multiply
    158,872.32x = 219,256.74 × 87,266.16
  4. Step 4: Simplify right side
    158,872.32x = 19,133,693,753.92
  5. Step 5: Solve for x
    x = 19,133,693,753.92/158,872.32
  6. Step 6: Final answer
    x = 120,434.41

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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.