Home / 160,878.31-222,038.56-89,281.40

Finding the Fourth Proportional to 160,878.31, 222,038.56 and 89,281.40

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Solution

The fourth proportional to 160,878.31, 222,038.56 and 89,281.40 is: 123,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,878.31 : 222,038.56 = 89,281.40 : x
  2. Step 2: Convert to fraction form
    160,878.31/222,038.56 = 89,281.40/x
  3. Step 3: Cross multiply
    160,878.31x = 222,038.56 × 89,281.40
  4. Step 4: Simplify right side
    160,878.31x = 19,823,913,490.78
  5. Step 5: Solve for x
    x = 19,823,913,490.78/160,878.31
  6. Step 6: Final answer
    x = 123,223.03

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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.