Home / 134,454.10-185,712.93-98,587.30

Finding the Fourth Proportional to 134,454.10, 185,712.93 and 98,587.30

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Solution

The fourth proportional to 134,454.10, 185,712.93 and 98,587.30 is: 136,172.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,454.10 : 185,712.93 = 98,587.30 : x
  2. Step 2: Convert to fraction form
    134,454.10/185,712.93 = 98,587.30/x
  3. Step 3: Cross multiply
    134,454.10x = 185,712.93 × 98,587.30
  4. Step 4: Simplify right side
    134,454.10x = 18,308,936,343.79
  5. Step 5: Solve for x
    x = 18,308,936,343.79/134,454.10
  6. Step 6: Final answer
    x = 136,172.39

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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.