Home / 134,436.60-185,688.72-98,569.80

Finding the Fourth Proportional to 134,436.60, 185,688.72 and 98,569.80

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Solution

The fourth proportional to 134,436.60, 185,688.72 and 98,569.80 is: 136,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,436.60 : 185,688.72 = 98,569.80 : x
  2. Step 2: Convert to fraction form
    134,436.60/185,688.72 = 98,569.80/x
  3. Step 3: Cross multiply
    134,436.60x = 185,688.72 × 98,569.80
  4. Step 4: Simplify right side
    134,436.60x = 18,303,299,992.66
  5. Step 5: Solve for x
    x = 18,303,299,992.66/134,436.60
  6. Step 6: Final answer
    x = 136,148.19

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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.