Home / 171,746.08-257,776.28-87,566.60

Finding the Fourth Proportional to 171,746.08, 257,776.28 and 87,566.60

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Solution

The fourth proportional to 171,746.08, 257,776.28 and 87,566.60 is: 131,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,746.08 : 257,776.28 = 87,566.60 : x
  2. Step 2: Convert to fraction form
    171,746.08/257,776.28 = 87,566.60/x
  3. Step 3: Cross multiply
    171,746.08x = 257,776.28 × 87,566.60
  4. Step 4: Simplify right side
    171,746.08x = 22,572,592,400.25
  5. Step 5: Solve for x
    x = 22,572,592,400.25/171,746.08
  6. Step 6: Final answer
    x = 131,430.03

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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.