Home / 105,391.06-145,444.98-62,395.22

Finding the Fourth Proportional to 105,391.06, 145,444.98 and 62,395.22

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Solution

The fourth proportional to 105,391.06, 145,444.98 and 62,395.22 is: 86,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,391.06 : 145,444.98 = 62,395.22 : x
  2. Step 2: Convert to fraction form
    105,391.06/145,444.98 = 62,395.22/x
  3. Step 3: Cross multiply
    105,391.06x = 145,444.98 × 62,395.22
  4. Step 4: Simplify right side
    105,391.06x = 9,075,072,122.59
  5. Step 5: Solve for x
    x = 9,075,072,122.59/105,391.06
  6. Step 6: Final answer
    x = 86,108.56

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1.5x scale

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.