Home / 105,277.61-145,291.73-59,969.76

Finding the Fourth Proportional to 105,277.61, 145,291.73 and 59,969.76

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Solution

The fourth proportional to 105,277.61, 145,291.73 and 59,969.76 is: 82,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,277.61 : 145,291.73 = 59,969.76 : x
  2. Step 2: Convert to fraction form
    105,277.61/145,291.73 = 59,969.76/x
  3. Step 3: Cross multiply
    105,277.61x = 145,291.73 × 59,969.76
  4. Step 4: Simplify right side
    105,277.61x = 8,713,109,878.24
  5. Step 5: Solve for x
    x = 8,713,109,878.24/105,277.61
  6. Step 6: Final answer
    x = 82,763.18

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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.