Home / 124,943.53-187,430.91-40,712.23

Finding the Fourth Proportional to 124,943.53, 187,430.91 and 40,712.23

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Solution

The fourth proportional to 124,943.53, 187,430.91 and 40,712.23 is: 61,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,943.53 : 187,430.91 = 40,712.23 : x
  2. Step 2: Convert to fraction form
    124,943.53/187,430.91 = 40,712.23/x
  3. Step 3: Cross multiply
    124,943.53x = 187,430.91 × 40,712.23
  4. Step 4: Simplify right side
    124,943.53x = 7,630,730,317.03
  5. Step 5: Solve for x
    x = 7,630,730,317.03/124,943.53
  6. Step 6: Final answer
    x = 61,073.43

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1.5x scale

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.