Home / 171,569.52-257,386.67-64,985.40

Finding the Fourth Proportional to 171,569.52, 257,386.67 and 64,985.40

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Solution

The fourth proportional to 171,569.52, 257,386.67 and 64,985.40 is: 97,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,569.52 : 257,386.67 = 64,985.40 : x
  2. Step 2: Convert to fraction form
    171,569.52/257,386.67 = 64,985.40/x
  3. Step 3: Cross multiply
    171,569.52x = 257,386.67 × 64,985.40
  4. Step 4: Simplify right side
    171,569.52x = 16,726,375,379.69
  5. Step 5: Solve for x
    x = 16,726,375,379.69/171,569.52
  6. Step 6: Final answer
    x = 97,490.37

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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.