Home / 171,444.95-257,325.29-87,265.27

Finding the Fourth Proportional to 171,444.95, 257,325.29 and 87,265.27

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Solution

The fourth proportional to 171,444.95, 257,325.29 and 87,265.27 is: 130,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,444.95 : 257,325.29 = 87,265.27 : x
  2. Step 2: Convert to fraction form
    171,444.95/257,325.29 = 87,265.27/x
  3. Step 3: Cross multiply
    171,444.95x = 257,325.29 × 87,265.27
  4. Step 4: Simplify right side
    171,444.95x = 22,455,559,674.80
  5. Step 5: Solve for x
    x = 22,455,559,674.80/171,444.95
  6. Step 6: Final answer
    x = 130,978.25

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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.