Home / 102,913.16-154,369.57-53,007.53

Finding the Fourth Proportional to 102,913.16, 154,369.57 and 53,007.53

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Solution

The fourth proportional to 102,913.16, 154,369.57 and 53,007.53 is: 79,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,913.16 : 154,369.57 = 53,007.53 : x
  2. Step 2: Convert to fraction form
    102,913.16/154,369.57 = 53,007.53/x
  3. Step 3: Cross multiply
    102,913.16x = 154,369.57 × 53,007.53
  4. Step 4: Simplify right side
    102,913.16x = 8,182,748,838.61
  5. Step 5: Solve for x
    x = 8,182,748,838.61/102,913.16
  6. Step 6: Final answer
    x = 79,511.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.