Home / 93,255.18-139,897.35-58,438.14

Finding the Fourth Proportional to 93,255.18, 139,897.35 and 58,438.14

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Solution

The fourth proportional to 93,255.18, 139,897.35 and 58,438.14 is: 87,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,255.18 : 139,897.35 = 58,438.14 : x
  2. Step 2: Convert to fraction form
    93,255.18/139,897.35 = 58,438.14/x
  3. Step 3: Cross multiply
    93,255.18x = 139,897.35 × 58,438.14
  4. Step 4: Simplify right side
    93,255.18x = 8,175,340,924.93
  5. Step 5: Solve for x
    x = 8,175,340,924.93/93,255.18
  6. Step 6: Final answer
    x = 87,666.35

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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.