Home / 139,931.26-193,132.70-97,465.18

Finding the Fourth Proportional to 139,931.26, 193,132.70 and 97,465.18

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Solution

The fourth proportional to 139,931.26, 193,132.70 and 97,465.18 is: 134,521.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,931.26 : 193,132.70 = 97,465.18 : x
  2. Step 2: Convert to fraction form
    139,931.26/193,132.70 = 97,465.18/x
  3. Step 3: Cross multiply
    139,931.26x = 193,132.70 × 97,465.18
  4. Step 4: Simplify right side
    139,931.26x = 18,823,713,369.39
  5. Step 5: Solve for x
    x = 18,823,713,369.39/139,931.26
  6. Step 6: Final answer
    x = 134,521.15

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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.