Home / 152,731.02-228,798.52-99,980.58

Finding the Fourth Proportional to 152,731.02, 228,798.52 and 99,980.58

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Solution

The fourth proportional to 152,731.02, 228,798.52 and 99,980.58 is: 149,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,731.02 : 228,798.52 = 99,980.58 : x
  2. Step 2: Convert to fraction form
    152,731.02/228,798.52 = 99,980.58/x
  3. Step 3: Cross multiply
    152,731.02x = 228,798.52 × 99,980.58
  4. Step 4: Simplify right side
    152,731.02x = 22,875,408,616.18
  5. Step 5: Solve for x
    x = 22,875,408,616.18/152,731.02
  6. Step 6: Final answer
    x = 149,775.79

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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.