Home / 105,106.74-145,050.38-57,363.16

Finding the Fourth Proportional to 105,106.74, 145,050.38 and 57,363.16

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Solution

The fourth proportional to 105,106.74, 145,050.38 and 57,363.16 is: 79,162.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,106.74 : 145,050.38 = 57,363.16 : x
  2. Step 2: Convert to fraction form
    105,106.74/145,050.38 = 57,363.16/x
  3. Step 3: Cross multiply
    105,106.74x = 145,050.38 × 57,363.16
  4. Step 4: Simplify right side
    105,106.74x = 8,320,548,156.00
  5. Step 5: Solve for x
    x = 8,320,548,156.00/105,106.74
  6. Step 6: Final answer
    x = 79,162.84

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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.