Home / 124,943.42-187,415-40,703.46

Finding the Fourth Proportional to 124,943.42, 187,415 and 40,703.46

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Solution

The fourth proportional to 124,943.42, 187,415 and 40,703.46 is: 61,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,943.42 : 187,415 = 40,703.46 : x
  2. Step 2: Convert to fraction form
    124,943.42/187,415 = 40,703.46/x
  3. Step 3: Cross multiply
    124,943.42x = 187,415 × 40,703.46
  4. Step 4: Simplify right side
    124,943.42x = 7,628,438,955.90
  5. Step 5: Solve for x
    x = 7,628,438,955.90/124,943.42
  6. Step 6: Final answer
    x = 61,055.15

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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.