Home / 139,925.96-193,095.60-76,264.28

Finding the Fourth Proportional to 139,925.96, 193,095.60 and 76,264.28

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Solution

The fourth proportional to 139,925.96, 193,095.60 and 76,264.28 is: 105,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,925.96 : 193,095.60 = 76,264.28 : x
  2. Step 2: Convert to fraction form
    139,925.96/193,095.60 = 76,264.28/x
  3. Step 3: Cross multiply
    139,925.96x = 193,095.60 × 76,264.28
  4. Step 4: Simplify right side
    139,925.96x = 14,726,296,905.17
  5. Step 5: Solve for x
    x = 14,726,296,905.17/139,925.96
  6. Step 6: Final answer
    x = 105,243.49

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1.5x scale

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.