Home / 102,148.90-153,124.83-52,252.49

Finding the Fourth Proportional to 102,148.90, 153,124.83 and 52,252.49

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Solution

The fourth proportional to 102,148.90, 153,124.83 and 52,252.49 is: 78,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,148.90 : 153,124.83 = 52,252.49 : x
  2. Step 2: Convert to fraction form
    102,148.90/153,124.83 = 52,252.49/x
  3. Step 3: Cross multiply
    102,148.90x = 153,124.83 × 52,252.49
  4. Step 4: Simplify right side
    102,148.90x = 8,001,154,031.14
  5. Step 5: Solve for x
    x = 8,001,154,031.14/102,148.90
  6. Step 6: Final answer
    x = 78,328.34

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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.