Home / 153,722.13-229,055.04-136,953.30

Finding the Fourth Proportional to 153,722.13, 229,055.04 and 136,953.30

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Solution

The fourth proportional to 153,722.13, 229,055.04 and 136,953.30 is: 204,068.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,722.13 : 229,055.04 = 136,953.30 : x
  2. Step 2: Convert to fraction form
    153,722.13/229,055.04 = 136,953.30/x
  3. Step 3: Cross multiply
    153,722.13x = 229,055.04 × 136,953.30
  4. Step 4: Simplify right side
    153,722.13x = 31,369,843,609.63
  5. Step 5: Solve for x
    x = 31,369,843,609.63/153,722.13
  6. Step 6: Final answer
    x = 204,068.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.