Home / 157,587.80-217,466.37-88,681.10

Finding the Fourth Proportional to 157,587.80, 217,466.37 and 88,681.10

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Solution

The fourth proportional to 157,587.80, 217,466.37 and 88,681.10 is: 122,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,587.80 : 217,466.37 = 88,681.10 : x
  2. Step 2: Convert to fraction form
    157,587.80/217,466.37 = 88,681.10/x
  3. Step 3: Cross multiply
    157,587.80x = 217,466.37 × 88,681.10
  4. Step 4: Simplify right side
    157,587.80x = 19,285,155,817.28
  5. Step 5: Solve for x
    x = 19,285,155,817.28/157,587.80
  6. Step 6: Final answer
    x = 122,377.22

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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.