Home / 110,088.40-151,985.01-72,472

Finding the Fourth Proportional to 110,088.40, 151,985.01 and 72,472

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Solution

The fourth proportional to 110,088.40, 151,985.01 and 72,472 is: 100,052.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,088.40 : 151,985.01 = 72,472 : x
  2. Step 2: Convert to fraction form
    110,088.40/151,985.01 = 72,472/x
  3. Step 3: Cross multiply
    110,088.40x = 151,985.01 × 72,472
  4. Step 4: Simplify right side
    110,088.40x = 11,014,657,644.72
  5. Step 5: Solve for x
    x = 11,014,657,644.72/110,088.40
  6. Step 6: Final answer
    x = 100,052.85

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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.