Home / 160,531.40-221,537.02-87,941.23

Finding the Fourth Proportional to 160,531.40, 221,537.02 and 87,941.23

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Solution

The fourth proportional to 160,531.40, 221,537.02 and 87,941.23 is: 121,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,531.40 : 221,537.02 = 87,941.23 : x
  2. Step 2: Convert to fraction form
    160,531.40/221,537.02 = 87,941.23/x
  3. Step 3: Cross multiply
    160,531.40x = 221,537.02 × 87,941.23
  4. Step 4: Simplify right side
    160,531.40x = 19,482,236,921.65
  5. Step 5: Solve for x
    x = 19,482,236,921.65/160,531.40
  6. Step 6: Final answer
    x = 121,360.91

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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.