Home / 105,277.36-145,282.22-62,272.30

Finding the Fourth Proportional to 105,277.36, 145,282.22 and 62,272.30

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Solution

The fourth proportional to 105,277.36, 145,282.22 and 62,272.30 is: 85,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,277.36 : 145,282.22 = 62,272.30 : x
  2. Step 2: Convert to fraction form
    105,277.36/145,282.22 = 62,272.30/x
  3. Step 3: Cross multiply
    105,277.36x = 145,282.22 × 62,272.30
  4. Step 4: Simplify right side
    105,277.36x = 9,047,057,988.51
  5. Step 5: Solve for x
    x = 9,047,057,988.51/105,277.36
  6. Step 6: Final answer
    x = 85,935.46

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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.