Home / 152,377.64-210,283.34-87,845.68

Finding the Fourth Proportional to 152,377.64, 210,283.34 and 87,845.68

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Solution

The fourth proportional to 152,377.64, 210,283.34 and 87,845.68 is: 121,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,377.64 : 210,283.34 = 87,845.68 : x
  2. Step 2: Convert to fraction form
    152,377.64/210,283.34 = 87,845.68/x
  3. Step 3: Cross multiply
    152,377.64x = 210,283.34 × 87,845.68
  4. Step 4: Simplify right side
    152,377.64x = 18,472,483,312.73
  5. Step 5: Solve for x
    x = 18,472,483,312.73/152,377.64
  6. Step 6: Final answer
    x = 121,228.31

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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.