Home / 102,531.10-153,835.05-40,246.30

Finding the Fourth Proportional to 102,531.10, 153,835.05 and 40,246.30

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Solution

The fourth proportional to 102,531.10, 153,835.05 and 40,246.30 is: 60,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,531.10 : 153,835.05 = 40,246.30 : x
  2. Step 2: Convert to fraction form
    102,531.10/153,835.05 = 40,246.30/x
  3. Step 3: Cross multiply
    102,531.10x = 153,835.05 × 40,246.30
  4. Step 4: Simplify right side
    102,531.10x = 6,191,291,572.82
  5. Step 5: Solve for x
    x = 6,191,291,572.82/102,531.10
  6. Step 6: Final answer
    x = 60,384.52

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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.