Home / 164,813.28-247,219.83-156,398.78

Finding the Fourth Proportional to 164,813.28, 247,219.83 and 156,398.78

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Solution

The fourth proportional to 164,813.28, 247,219.83 and 156,398.78 is: 234,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,813.28 : 247,219.83 = 156,398.78 : x
  2. Step 2: Convert to fraction form
    164,813.28/247,219.83 = 156,398.78/x
  3. Step 3: Cross multiply
    164,813.28x = 247,219.83 × 156,398.78
  4. Step 4: Simplify right side
    164,813.28x = 38,664,878,567.71
  5. Step 5: Solve for x
    x = 38,664,878,567.71/164,813.28
  6. Step 6: Final answer
    x = 234,598.08

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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.