Home / 105,701.68-145,870.32-57,952.18

Finding the Fourth Proportional to 105,701.68, 145,870.32 and 57,952.18

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Solution

The fourth proportional to 105,701.68, 145,870.32 and 57,952.18 is: 79,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,701.68 : 145,870.32 = 57,952.18 : x
  2. Step 2: Convert to fraction form
    105,701.68/145,870.32 = 57,952.18/x
  3. Step 3: Cross multiply
    105,701.68x = 145,870.32 × 57,952.18
  4. Step 4: Simplify right side
    105,701.68x = 8,453,503,041.30
  5. Step 5: Solve for x
    x = 8,453,503,041.30/105,701.68
  6. Step 6: Final answer
    x = 79,975.11

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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.