Home / 153,548.85-211,898.25-89,056.32

Finding the Fourth Proportional to 153,548.85, 211,898.25 and 89,056.32

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Solution

The fourth proportional to 153,548.85, 211,898.25 and 89,056.32 is: 122,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,548.85 : 211,898.25 = 89,056.32 : x
  2. Step 2: Convert to fraction form
    153,548.85/211,898.25 = 89,056.32/x
  3. Step 3: Cross multiply
    153,548.85x = 211,898.25 × 89,056.32
  4. Step 4: Simplify right side
    153,548.85x = 18,870,878,359.44
  5. Step 5: Solve for x
    x = 18,870,878,359.44/153,548.85
  6. Step 6: Final answer
    x = 122,898.21

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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.