Home / 107,480.65-148,475.06-86,112.29

Finding the Fourth Proportional to 107,480.65, 148,475.06 and 86,112.29

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Solution

The fourth proportional to 107,480.65, 148,475.06 and 86,112.29 is: 118,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,480.65 : 148,475.06 = 86,112.29 : x
  2. Step 2: Convert to fraction form
    107,480.65/148,475.06 = 86,112.29/x
  3. Step 3: Cross multiply
    107,480.65x = 148,475.06 × 86,112.29
  4. Step 4: Simplify right side
    107,480.65x = 12,785,527,526.57
  5. Step 5: Solve for x
    x = 12,785,527,526.57/107,480.65
  6. Step 6: Final answer
    x = 118,956.55

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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.