Home / 153,290.51-229,870.14-53,421.15

Finding the Fourth Proportional to 153,290.51, 229,870.14 and 53,421.15

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Solution

The fourth proportional to 153,290.51, 229,870.14 and 53,421.15 is: 80,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,290.51 : 229,870.14 = 53,421.15 : x
  2. Step 2: Convert to fraction form
    153,290.51/229,870.14 = 53,421.15/x
  3. Step 3: Cross multiply
    153,290.51x = 229,870.14 × 53,421.15
  4. Step 4: Simplify right side
    153,290.51x = 12,279,927,891.14
  5. Step 5: Solve for x
    x = 12,279,927,891.14/153,290.51
  6. Step 6: Final answer
    x = 80,108.86

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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.