Home / 220,864.90-304,785.25-134,967.51

Finding the Fourth Proportional to 220,864.90, 304,785.25 and 134,967.51

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Solution

The fourth proportional to 220,864.90, 304,785.25 and 134,967.51 is: 186,250.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,864.90 : 304,785.25 = 134,967.51 : x
  2. Step 2: Convert to fraction form
    220,864.90/304,785.25 = 134,967.51/x
  3. Step 3: Cross multiply
    220,864.90x = 304,785.25 × 134,967.51
  4. Step 4: Simplify right side
    220,864.90x = 41,136,106,277.23
  5. Step 5: Solve for x
    x = 41,136,106,277.23/220,864.90
  6. Step 6: Final answer
    x = 186,250.08

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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.