Home / 171,345.02-257,091.03-66,237.80

Finding the Fourth Proportional to 171,345.02, 257,091.03 and 66,237.80

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Solution

The fourth proportional to 171,345.02, 257,091.03 and 66,237.80 is: 99,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,345.02 : 257,091.03 = 66,237.80 : x
  2. Step 2: Convert to fraction form
    171,345.02/257,091.03 = 66,237.80/x
  3. Step 3: Cross multiply
    171,345.02x = 257,091.03 × 66,237.80
  4. Step 4: Simplify right side
    171,345.02x = 17,029,142,941.48
  5. Step 5: Solve for x
    x = 17,029,142,941.48/171,345.02
  6. Step 6: Final answer
    x = 99,385.11

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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.