Home / 96,727.80-145,091.70-86,886.30

Finding the Fourth Proportional to 96,727.80, 145,091.70 and 86,886.30

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Solution

The fourth proportional to 96,727.80, 145,091.70 and 86,886.30 is: 130,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,727.80 : 145,091.70 = 86,886.30 : x
  2. Step 2: Convert to fraction form
    96,727.80/145,091.70 = 86,886.30/x
  3. Step 3: Cross multiply
    96,727.80x = 145,091.70 × 86,886.30
  4. Step 4: Simplify right side
    96,727.80x = 12,606,480,973.71
  5. Step 5: Solve for x
    x = 12,606,480,973.71/96,727.80
  6. Step 6: Final answer
    x = 130,329.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.