Home / 100,301.49-138,430.23-62,073.35

Finding the Fourth Proportional to 100,301.49, 138,430.23 and 62,073.35

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Solution

The fourth proportional to 100,301.49, 138,430.23 and 62,073.35 is: 85,670.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,301.49 : 138,430.23 = 62,073.35 : x
  2. Step 2: Convert to fraction form
    100,301.49/138,430.23 = 62,073.35/x
  3. Step 3: Cross multiply
    100,301.49x = 138,430.23 × 62,073.35
  4. Step 4: Simplify right side
    100,301.49x = 8,592,828,839.39
  5. Step 5: Solve for x
    x = 8,592,828,839.39/100,301.49
  6. Step 6: Final answer
    x = 85,670.00

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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.